21-segi Kim Chŏng-il sidae
Yi, Chin-gyu
[Pʻyŏngyang]. Pʻyŏngyang Chʻulpʻansa. 1995. 9, 450 p., [5] leaves of plates.

21-segi kiŏp kyoyuk ŭi panghyang: chagi haksŭp
Cho, Mi-ok
Sŏul-si. Eltʻekʻŭ. 1997. 226 p.
ISBN 8987531007

21-segi kiŏp saengjon chŏllyak
Yi, Kwang-hyŏn
Sŏul. Sŏkchŏng. 1998. 324 p.

21-segi Kongja ŭi puhwal: Kongja ŭi saengae wa kŭ ŭi karŭchʻim
Hong, Sun-chʻŏl
Sŏul. Taehan Kyogwasŏ. 2001. iii, 178 p.
ISBN 8937808285

21-segi Kugŏ chŏngbohwa wa Kugŏ yŏnʾgu
Sŏul Tʻŭkpyŏlsi. Wŏrin. 2001. 218 p.
ISBN 8984770477

21-segi Kugŏhak ŭi hyŏnhwang kwa kwaje
Ko, Kwang-ju
Sŏul-si. Hanʾguk Munhwasa. 2002. 571 p.
ISBN 897735966X

21-segi kukche chŏngchʻi iron ŭi saeroun sago
An, Tʻaeg-wŏn
Kyŏnggi-do Sŏngnam-si. Hanʾguk Chŏngsin Munhwa Yŏnʾguwŏn. 1995. vi, 170 p.
ISBN 8971051663

21-segi kukche hwanʼgyŏng pyŏnhwa wa Hanbando
Moon, Chung-in
Sŏul Tʻŭkpyŏlsi. Orŭm. 2004. 331 p.
ISBN 8977782058

21-segi kukche kŭmyungpŏp ŭi hyŏngsŏng kwa chŏnʼgae
Son, Sŏng
Sŏul Tʻŭkpyŏlsi. Tongguk Taehakkyo Chʻulpʻanbu. 2008. 229 p.
ISBN 9788978012027

21-segi kukche kwan'gye wa Han'guk
Chŏng, Kyŏng-hwan
Pusan-si. Igyŏng. 2010. 316 p.
ISBN 9788991390515

21-segi kukche kwanʾgye yŏnʾgu ŭi chaengchŏm kwa kwaje
Kim, Yu-nam
Sŏul Tʻŭkpyŏlsi. Pagyŏngsa. 2000. iii, 381 p.
ISBN 8910401222

21-segi kukkung palchŏn ŭi panghyang kwa kwaje
Sŏul. Kukkung Munhwa Yŏn'guhoe. 2001. 78 p.

21-segi kuktʻo wa hwanʾgyŏng
Yu, Woo-ik
Sŏul-si. Sam kwa Kkum. 1998. 314 p.
ISBN 8975943267

21-segi kwahak ŭi chaengchŏm
Im, Kyŏng-sun
Sŏul. Saiŏnsŭ Buksŭ. 2000. 266 p.
ISBN 8983710373

21-segi Kwangju Chŏnnam ŭi mirae: Hwallo Kaechʻŏk Simin Tae Tʻoronhoe pogosŏ
[Seoul]. Pʻulpit. 1995. 669 p.

21-segi kyegwan munhak kaeron
Kim, Kyŏng
Sŏul-si. Choŭn. 2003. 304 p.
ISBN 8987285251

21-segi kyŏngjaeng chŏngchʻaek kwa kyuje chŏngchʻaek
Ko, Tong-su ; Kang, Sin-il
Sŏul-si. Ŭryu Munhwasa. 2000. 213 p.
ISBN 8932430543

21-segi kyŏngje chayu rŭl hyanghan kaehyŏk kwaje
Sŏul Tʻŭkpyŏlsi. Sanŏp Yŏnʼguwŏn. 1999. iii, 127 p.

21-segi Kyŏngnam tomin ŭi sam ŭi chil
Kyŏngnam Masan-si. Kyŏngnam Taehakkyo Chʻulpʻanbu. 1998. 622 p.

21-segi kyŏngyŏng ŭi saeroun isyudŭl: kyŏngyŏng hyŏksin, chisik kyŏngyŏng, ch'angjo kyŏngyŏng, pyŏnhwa kyŏngyŏng, mirae kyŏngyŏng
Kim, Pyŏng-u
Sŏul-si. Pomyŏng. 2009. 439 p.
ISBN 9788963660011

21-segi kyŏngyŏngjŏk sago ŭi chʻulbal =: The 21th century business administration
Yu, Ki-sŏn
Sŏul Tʻŭkpyŏlsi. Nobel Midiŏ. 2003. ix, 589 p.
ISBN 8990107105

21-segi kyŏngyŏng pʻaerŏdaim
Cho, Tong-sŏng
Sŏul-si. Minŭmsa. 1995. 298 p.
ISBN 8937422522

21-segi kyoyuk ŭi k'ŭn tu kae ŭi ch'uk: ch'angŭiryŏk kyoyuk kwa insŏng kyoyuk
U, Chong-ok
Kyŏnggi-do P'aju-si. Kyoyuk Kwahaksa. 2010. 507 pages.
ISBN 9788925403854

21-segi kyoyuk ŭl wihan saeroun kwanchŏm kwa chŏnmang: Yunesŭkʻo 21-segi Segye Kyoyuk Wiwŏnhoe chonghap pogosŏ
Kim, Yong-ju
Sŏul Tʻŭkpyŏlsi. Orŭm. 1997. 319 p.
ISBN 8977780462

21-segi maenijimŏnt iron ŭi nyu pʻaerŏdaim =: Paradigm shift in the 21st century management theories
Yi, Hak-chong ; Sin, Tong-yŏp ; Kang, Hye-ryŏn
Sŏul-si. Wisdom House. 2008. 989 p.
ISBN 9788960861305

21-segi Mi-Chung-Il-Rŏ ŭi Hanbando chŏngchʻaek kwa Hanʾguk ŭi taeŭng pangan
Yŏ, In-gon
Sŏul Tʻŭkpyŏlsi. Tʻongil Yŏnʾguwŏn. 2003. 209 p.
ISBN 8984792047

21-segi minjokchuŭi: chaesaeng ŭi tamnon
Chŏng, Su-il
Sŏul-si. T'ongil Nyusŭ. 2010. 341 p.
ISBN 9788994771007

21-segi minjok hwahae wa pŏnyŏng ŭi kil: Nambuk kibon habŭisŏ ŭi ihaeng ŭl chungsim ŭro
Sŏul. Kʻŭrisŭchʻyan Sŏjŏk. 2000. 416 p.
ISBN 8947801194

21-segi minjok tʻongil e taehan sahoe kwahakchŏk chŏpkŭn
Yi, Chŏng-bok
Sŏul. Sŏul Taehakkyo Chʻulpʻanbu. 1999. vii, 289 p.
ISBN 8952101383

21-segi minsa chiphaeng ŭi hyŏnhwang kwa kwaje: Kim Nŭng-hwan Taebŏpkwan hwagap kinyŏm
Sŏul. Sabŏp Palchŏn Chaedan. 2011. 838 p., [3] p. of plates.
ISBN 9788993171396

21-segi muhan kyŏngjaeng sidae ŭi Hanʼguk ŭi kyŏngje chŏllyak
Sŏul. Kyŏngje Sahoe Yŏnʼguhoe. 2005. ii, 191 p.

21-segi muin: Im Chun-hu changpʻyŏn sosŏl
Im, Chun-hu
Sŏul-si. Chaŭm kwa Moŭm. 2004. 9 v.
ISBN 8954400825

21-segi munhak =: The 21th [sic] century literature
Sŏul. Isu. 1997-. v.

21-segi munhak iran muŏt inʾga: 2000-yŏn ŭl yŏnŭn chŏlmŭn chakka pʻorŏm
Kim, Ki-tʻaek
Sŏul. Minŭmsa. 1999. 682 p.
ISBN 8937411407

21-segi munhak ŭi tongyang sihakchŏk mosaek
Chʻoe, Sŭng-ho
Sŏul-si. Saemi. 2001. 278 p.
ISBN 8989352479

21-segi munhak ŭi yugironjŏk taean
Chʻoe, Sŭng-ho
Sŏul-si. Saemi. 2000. 291 p.
ISBN 8989352045

21-segi munhaksang susang chakpʻumjip
Sŏul. Tosŏ Chʻulpʻan Isu. 1998-. v.

21-segi munhwa iron kwajŏnghak
Kim, Chʻae-su
Sŏul-si. Kyobo Munʾgo. 1996. 640 p.
ISBN 8970851275

21-segi, munhwa ka Ch'ungbuk ŭl pakkunda =: Ch'ungch'ŏng-bukto munhwa pijŏn 21 chungjanggi kyehoek
Ch'ungch'ŏng-bukto. Ch'ungch'ŏng-bukto. 1999. 350 p.

21-segi munhwa, kwahak ŭl wihan Sejong Taewang chae chomyŏng: Sejong Taewang Tʻansin 600-tol Kinyŏm Haksul Taehoe
[Seoul]. Sejong Taewang Kinyŏm Saŏphoe. 1997. 188 p.

21 segi munhwa pijyŏn:hyŏndae han'guk ŭi munhwa wa ŏllon: Munhwa podo ŭi saeroun p'aerŏdaim
Kang, T'ae-yŏng py'ŏn
Soul. Samsŏng ŏllon chaedan. 1998.

21-segi munmyŏng kwa Asia: chonghap taehakkyo sŭngkyŏk kinyŏm haksul taehoe, 1989. 10.25-26
Kangwŏn-do Chʻunchʻŏn-si. Hallim Taehakkyo Asia Munhwa Yŏnʾguso. 1990. 440 p.

21-segi munmyŏng kwa Pulgyo =: Buddhism & civilization in the 21st century : kaegyo 90-chunyŏn kinyŏm segye Pulgyo haksul hoeŭi
Sŏul. Tongguk Taehakkyo. 1996. 700, [5] p.
ISBN 8978010563

21-segi Nam-Pukhan tʻongil pangan ŭi mosaek =: Searching for the United Korea in the 21st century
Mun, Tu-sik
Sŏul-si. Maebong. 2004. 305 p.
ISBN 8995356723

21-segi nŭn Hanʾguk, Ilbon, Taeman ŭi sidae
Nakajima, Mineo ; Min, Pyŏng-chʻŏn
Sŏul Tʻŭkpyŏlsi. Wŏnŭmsa. 1986. 242 p.

21-segi nŭn nŏmu nŭtta: kyŏngje chaedoyak ŭi kil
Paek, Yŏng-hun
Sŏul. Hanʾguk Sanŏp Kaebal Yŏnʾguwŏn. 1993. 429 p.

21-segi nodong kyoyuk ŭi chwapy'o wa palchŏn kwaje
Sŏul. Han'guk Nodong Kyoyugwŏn. 2006.

21-segi nondan
Sŏul. Taetʻongnyŏng Chamun 21-segi Wiwŏnhoe. 1991-. v.

21-segi nun ŭro Chosŏn sidae rŭl para ponda
Kim, In-ho
Sŏul-si. Kyŏngin Munhwasa. 2009. 373 p.
ISBN 9788949906614

21-segi nyu p'erŏdaim global kwan'gwang mak'et'ing chŏllyak
An, Yŏng-myŏn ; Kim, Chae-wŏn
Pusan Kwangyŏk-si. Tonga Taehakkyo. 2007. 445 p.
ISBN 9788944902413

21-segi pigyo chŏngch'ihak
Kim Yu-nam
Sŏul. Samyŏngsa. 2000. 427 p.
ISBN 9788944534034

21-segi, Pʻosŭtʻŭmodŏnijŭm kwa kidokkyo =: The 21st century, Postmodernism and Christianity
Sŏul. Sungsil Taehakkyo Chʻulpʻanbu. 1996. 697 p.
ISBN 8974501015

21-segi Pukhan
Yi, Suk-cha
Sŏul. Nanam Chʻulpʻan. 2000. 423 p.
ISBN 8930037151

21-segi Pukhan chonggyo wa sŏnʾgyo tʻongil
Pak, Wan-sin ; Pak, Wan-sin
Sŏul-si. Chigu Munhwasa. 2002. 396 p.
ISBN 8970061088

21-segi Pukhanhak tʻŭkkang
Yi, Tʻae-gŏn
Kyŏnggi-do Koyangsi. Inʾgan Sarang. 2003. 533 p.
ISBN 897418141X

21-segi Pukhan ŭi ihae
Kim, Ŭng-su
Kyŏnggi-do Sŏngnam-si. Puk Kʻoria. 2011. 386 p.
ISBN 9788963240817

21-segi pʻyŏnghwahak
Ha, Yŏng-sŏn
Sŏul Tʻŭkpyŏlsi. Pʻulpit. 2002. 518 p.
ISBN 8974748851

21-segi p'yŏnghwa kŭrigo Hanbando: yŏnggwang doen choguk ch'ukpok pannŭn minjok
Kim, Hyŏk-tong
Taejŏn. Paejae Taehakkyo Chŏngch'i Oegyo Hakkwa. 2003. 720 p.

21-segi rŭl chibae hanŭn munhwa ŭi kʻiwŏdŭ: yesulchŏk sangsangnyŏk
Kim, Chŏng-hwan
Sŏul Tʻŭkpyŏlsi. Kimyŏngsa. 2001. 355 p.
ISBN 8934905948

21-segi rŭl chihyang hanŭn Hanʾguk ŭi chŏngchʻi, haengjŏng
Sŏul. Kukche Munhwa Yŏnʾguso. 1992. iii, 341 p.

21-segi rŭl chihyang hanŭn Hanʾguk ŭi kyŏngje
Sŏul. Kukche Munhwa Yŏnʾguso. 1992. 271 p.

21-segi rŭl chihyang hanŭn Hanʾguk ŭi sahoe, kyoyuk
Sŏul. Kukche Munhwa Yŏnʾguso. 1992. iii, 247 p.

21-segi rŭl chihyanghan saengmyŏng pohŏm sanŏp ŭi palchŏn pangan
Na, Tong-min ; O, Chʻang-su ; Chŏng, Hong-ju
Sŏul Tʻŭkpyŏlsi. Hanʾguk Kaebal Yŏnʾguwŏn. 1999. 225 p.
ISBN 8980630670

21-segi rŭl hyanghan Chʻungnam kyoyuk palchŏn kibon kyehoek
[Taejŏn-si]. Chʻungchʻŏng-namdo Kyoyukchʻŏng. 1992. 253 p.

21-segi rŭl hyanghan Hanʾgugin ŭi kanŭngsŏng
Sŏul Tʻŭkpyŏlsi. Illyŏm. 1984. 403 p.

21-segi rŭl hyanghan Hanʾguk ŭi chillo
Kyŏnggi-do Sŏngnam-si. Hanʾguk Chŏngsin Munhwa Yŏnʾguwŏn. 1993. 384 p.
ISBN 8971050535

21-segi rŭl hyanghan Hanʾguk ŭi kukka chŏllyak
Chŏng, Chin-yŏng
Kyŏnggi-do Sŏngnam-si. Sejong Yŏnʾguso. 1996. vii, 239 p.
ISBN 8974293234

21-segi rŭl hyanghan Hanʾguk ŭi kukka kyŏngjaengnyŏk
Sŏul. Samsŏng Kyŏngje Yŏnʾguso. 1994. 396 p.
ISBN 8976330110

21-segi rŭl hyanghan Hanʾguk ŭi kwaje
Sŏul Tʻŭkpyŏlsi. Taetʻongnyŏng Chamun 21-segi Wiwŏnhoe. 1991. 225 p.

21-segi rŭl hyanghan Hanʾguk kyoyuk ŭi palchŏn mokpʻyo wa chŏngchʻaek chŏllyak
Yi, Sŏng-ho
[Seoul]. 21-segi Wiwŏnhoe. 1991. [4], 117 p.

21-segi rŭl hyanghan kukka palchŏn ŭi kibon panghyang
Kwŏn, I-hyŏk ; Yi, Man-gap
[Seoul]. Taehan Minʾguk Haksurwŏn. [1994]. 189 p.

21 segi rŭl hyanghan kyoyuk kaehyŏk
Soul. Minŭmsa. 1999.

21 segi rŭl hyanghan tojŏn: ch'oe chong hyŏn chŏngyŏngnyŏn hoejang(21-23) charyojip
Soul. Han'guk kyŏngjein yŏnhaphoe. 2000.

21-segi rŭl ikkŭlgo kal Hanʾguk ŭi chʻa sedae
Yi, Kyu-wŏn
Sŏul-si. Taewŏn Midiŏ. 1996. 368 p.
ISBN 8981710058

21-segi rŭl kyŏnyanghan uri kukhak ŭi panghyang kwa kwaje: Kukhak, muŏt ŭl ŏttŏke hal kŏsinʾga
Kang, Man-gil
Sŏul Tʻŭkpyŏlsi. Chimmundang. 1997. 469 p.
ISBN 8930305377

21-segi rŭl mannŭn onŭl ŭi Pukhan =: North Korea
Ch'a, Chong-hwan ; Sin, Pŏp-t'a
Sŏul. Yangdong Chʻulpʻansa. 2005. 328 p.
ISBN 8995284048

21-segi rŭl pada tŭrigi wihayŏ: Kim Pyŏng-ik pipʻyŏngjip
Kim, Pyŏng-ik
Sŏul. Munhak kwa Chisŏngsa. 2001. 338 p.
ISBN 8932012865

21-segi rŭl pakkunŭn kyoyang: 7-in 7-saek
Pak, No-ja
Sŏul-si. Hanʼgyŏrye Sinmunsa. 2004. 275 p.
ISBN 8984311243

21-segi rŭl pakkunŭn sangsangnyŏk: 6-in 6-saek
Han, Pi-ya ; Hong, Se-hwa ; Yi, Yun-gi ; Han, Hong-gu ; O, Kwi-hwan
Sŏul-si. Hanʼgyŏrye Sinmunsa. 2005. 267 p.
ISBN 8984311715

21-segi rŭl para pomyŏ: [Cho Se-jang susangjip]
Cho, Se-jang
Sŏul. Kwangdong Chʻulpʻansa. 1975. 197 p.

21-segi rŭl pinnael uri chʻŏmdan yŏnʾguso
Han, Sŏk-ki
Sŏul-si. Sŏhae Munjip. 1998. 207 p.
ISBN 8974830930

21-segi rŭl sŏndohal chʻangŭijŏgin minju simin yuksŏng
Chŏng, Sun-tʻaek
Pusan Kwangyŏksi. Chŏng Sun-tʻaek Kyoyukkam (che 10, 11-tae) Chʻijok Pargan Winwŏnhoe. 2001. 498 p.

21-segi rŭl taebihan Hanʾguk chungso kiŏp idaero choŭnʾga
Kim, Chʻang-wŏn
Sŏul Tʻŭkpyŏlsi. Sŏul Pʻŭresŭ. 1994. 240 p.
ISBN 8972250112

21-segi rŭl taebihan Hanʾguk kyoyuk ŭi kwaje
Kim, Ki-tʻae
Sŏul-si. Pogyŏng Munhwasa. 1995. 347 p.
ISBN 8935800775

21-segi rŭl taebihan sanŏp kujo kaepʻyŏn: chisik kiban sanŏp ŭl chungsim ŭro
[Seoul]. Sanŏp Yŏnʾguwŏn. 1998. 343 p.

21-segi rŭl taebihan taehak ŭi saengjon chŏllyak: chunbi hanŭn taehak i mirae rŭl chudo handa
Yi, Hyŏn-chʻŏng
Sŏul Tʻŭkpyŏlsi. Hanyang Taehakkyo Chʻulpʻanwŏn. 1996. vi, 384 p.
ISBN 8972180629

21-segi rŭl ŏttŏkʻe majihal kŏsinʾga: Hanʾguk ŭi sŏntʻaek kwa kyŏltan
Yi, Chong-gu
Sŏul. Koryŏwŏn. 1993. 294 p.
ISBN 8912123181

21-segi rŭl wihan chŏllyak kyŏngyŏng
Cho, Tong-sŏng
Sŏul Tʻŭkpyŏlsi. Aibiesŭ. 1997. 660 p.
ISBN 8980390408

21-segi rŭl wihan Hanʾguk hwanʾgyŏng pogosŏ
Sŏul Tʻŭkpyŏlsi. Sinʾgwang Munhwasa. 1995. 445, [4] p.
ISBN 8974326035

21-segi rŭl wihan Han'guk ŭi chŏngch'i wa haengjŏng
Soul. Chŏnyewŏn. 1999.

21-segi rŭl wihan kyŏngyŏnghak ŭi ihae
Yi, Kŏn-hŭi ; Kim, Pyŏng-gi
Sŏul-si. Hangmunsa. 2005. 334 p.
ISBN 9788946722279

21-segi rŭl yŏnŭn Hanʾgugin ŭi kachʻigwan
Sŏul-si. Sohwa. 1997. 426 p.
ISBN 8985883542

21-segi rŭl yŏnŭn Hanʼguk yu-chʻodŭng kyoyuk ŭi onŭl kwa naeil
Ko, Chŏng-gon
Kyŏnggi-do Pʻaju-si. Yangsŏwŏn. 2004. 603 p.
ISBN 8970076506

21-segi rŭl yŏnŭn uri munhak
Kim, Sang-sŏn
Sŏul-si. Pʻurŭn Sasang. 2002. 834 p.
ISBN 898936891X

21-segi rŭl yŏnŭn yŏnʾgŭk: mom pʻŏpʻomŏnsŭ haechʻe mulchil
Kim, Pang-ok
Sŏul Tʻŭkpyŏlsi. Yŏnʾgŭk kwa Inʾgan. 2003. 470 p.
ISBN 8989075807

21-segi ro kanŭn kil: todŏksŏng, chŏnmunsŏng, kukchesŏng : Chŏng Kŭn-mo kʻallŏm
Chŏng, Kŭn-mo
Sŏul-si. Sinwŏn Munhwasa. 1993. 329 p.
ISBN 8935901954

21-segi sabŏp ŭi chŏnʼgae: Songmin Chʻoe Chong-yŏng Taebŏbwŏnjang chaeim kinyŏm
Chʻoe Chong-yŏng
Sŏul Tʻŭkpyŏlsi. Pagyŏngsa. 2005. xv, 1005 p.
ISBN 8971892188

21-segi sae munhwa chʻangjo wa Yulgokhak
Kim, Ik-su
Sŏul Tʻŭkpyŏlsi. Sudŏk Munhwasa. 2001. vi, 622 p.
ISBN 8987368122

21-segi, saeroun Hanʼguk hyŏndae misul ŭi tansang
Chang, Chun-sŏk
Sŏul-si. Hagyŏn Munhwasa. 2004. 288 p.
ISBN 895508062X

21-segi saeroun kwanchŏm esŏ chae chomyŏnghan Hanʾguk minjok munhak kwa minjok siillon: Kim Hŭi-su pʻyŏngnonjip
Kim, Hŭi-su
Sŏul-si. Pʻurŭn Sesang. 2002. 258 p.
ISBN 8989368960

21-segi saeroun sahoe pokchi chŏngchʻaek: sahoe pokchi chŏngchʻaek ŭi 10-tae kwaje
Wŏn, Sŏk-cho
Sŏul-si. Hanʼguk Nochʻong Chungang Yŏnʼguwŏn. 2007. 238 p.
ISBN 9788992137546

21-segi saeroun Tong Asia chilsŏ wa Hanbando: tʻal naengjŏnʾgi Tong Asia kukche chilsŏ ŭi kujo pyŏnhwa wa Hanbando tʻongil chŏnmang
Song, Chu-myŏng
Kyŏnggi-do Osan-si. Hansin Taehakkyo Chʻulpʻanbu. 2003. 236 p.
ISBN 8978060404

21-segisa ŭi sŏron ŭl ŏttŏkʻe ssŭlkŏt inʾga: Kang Man-gil pipʻyŏngjip
Kang, Man-gil
Sŏul-si. Samin. 1999. 347 p.
ISBN 8987519236

21-segi sanŏp kujo pyŏnhwa wa kwahak kisul chŏngchʻaek
Im, Chʻae-sŏng ; Lee, Keun ; Pae, Yong-ho
Sŏul Tʻŭkpyŏlsi. Chimmundang. 2003. 254 p.
ISBN 8930309844

21-segi sijang kwa Hanʾguk sahoe: saeroun sahoehak chŏk tʻamgu yŏngyŏk ŭi mosaek
Sŏul. Nanam Chʻulpʻan. 2000. 343 p.
ISBN 8930038115

21-segi sijang kyŏngje ŭi palchŏn kwa pŏp ŭi chibae
Sŏul T'ŭkpyŏl-si. Han'guk Pŏpche Yŏn'guwŏn. 2000. ''Kaewŏn 10-chunyŏn kinyŏm kukche haksul hoeŭi charyo.".

21-segi silchʻŏn kyŏngyŏng: kiŏp kyŏngyŏng chido sarye rŭl chungsim ŭro han Chʻoe Sŏng Kyosu ŭi wigi rŭl kihoe ro kihoe rŭl sŏnggong ŭro
Chʻoe, Sŏng
Sŏul Tʻŭkpyŏlsi. Hangmunsa. 1998. 410 p.
ISBN 8946720999

21-segi sin kwahak wŏllon
Kwŏn, Yun-hyŏk
Sŏul Tʻŭkpyŏlsi. Hoam Chʻulpʻansa. 1993. 390 p.
ISBN 8972690139

21-segi sin nosa kwanʾgye
Sim, Yun-jong ; Yu, Hong-jun ; Chŏng, Tʻae-in
Sŏul Tʻŭkpyŏlsi. Chimmundang. 2000. 246 p.
ISBN 8930307825

21-segi sŏng churyuhwa (gender mainstreaming) rŭl wihan kungmin yŏron mit chŏnmunʾga ŭigyŏn chosa
Kim, Yang-hŭi
Sŏul-si. Hanʾguk Yŏsŏng Kaebarwŏn. 2001. lxxiv, 731 p.
ISBN 8984910112

21-segi sŏnggong changgwallon
Kim, Ho-gyun
[Seoul]. Nanam Chʻulpʻan. 2004. 318 p.
ISBN 8930080014

21-segi sŭngja ŭi chokŏn: Yu Han-su kyŏngje pʻyŏngnonjip
Yu, Han-su
Sŏul. FKI Midiŏ. 1999. 375 p.
ISBN 8988741064

21-segi sŏngjang enjin ŭl chʻajara
Sŏul-si. Samsŏng Kyŏngje Yŏnʼguso. 2000. 256 p.
ISBN 8976330781

21-segi taebyŏnhyŏk kwa illyu ŭi mirae
An, Hong
Sŏul-si. Munyedang. 2003. 2 v.
ISBN 8985975056

21-segi Taehan Min'guk ŭi kkum widaehan sŏnjin haengbokhan t'ongil : Pak Se-il k'allŏmjip
Pak, Se-il
Sŏul. Hanbando Sŏnjinhwa Chaedan. 2011. 328 p.
ISBN 9788993093070

21-segi Taehan Min'guk kyoyuk ŭi hyangbang / Kut Sosaiŏt'i
Kut Sosaiŏt'i
Sŏul. Yŏngnim K'adinŏl. 2012.
ISBN 9788984011663

21-segi Taejŏn ŭi pijŏn =: Taejon's 21st century vision
Taejŏn Kwangyŏksi. 21-segi Taejŏn ŭi Pijŏn P'yŏnjip Wiwŏnhoe. 1995. 207 p.

21-segi Taejon palchŏn kusang
Mun, Kyŏng-wŏn
[Taejŏn Kwangyŏksi. Taejŏn Kwangyŏksi. 19--?]. [12], 270 p.

21-segi tʻaeyang Kim Chŏng-il Changgun
Kim, Hwa ; Ko, Pong
[Pʻyŏngyang]. Pʻyŏngyang Chʻulpʻansa. 2000. 589 p., [4] leaves of plates.

21-segi Tong Asia anbo wa Hanʾguk
Pyŏn, Chʻang-gu
Sŏul-si. Taewangsa. 2000. 401 p.
ISBN 8945606262

21-segi Tong Asia wa Hanʾguk
Yi, Sang-u
Sŏul Tʻŭkpyŏlsi. Orŭm. 1998. 2 v. (x, 1051 p.).
ISBN 8977780551

21-segi Tongbuga chŏngse wa Pukhan inkwŏn
Pak, Yŏng-ho ; Chʻoe, Ŭi-chʻŏl
Sŏul-si. Paeksan Charyowŏn. 2006. 641 p.
ISBN 8988435834

21-segi Tongbuga chŏngse yechʻŭk kwa Hanʾguk ŭi chŏllyakchŏk taeŭng pangan
Chʻoe, Pʻyŏng-gil
Sŏul Tʻŭkpyŏlsi. Chimmundang. 1996. 177 p.
ISBN 8930304095

21-segi tongbuga ŭi chŏngchʻi, sahoe pyŏndong kwa haengjŏng ŭi taeŭng
[Seoul]. Hanʾguk Haengjŏng Yŏnʾguwŏn. 1992.

21-segi Tongbuga ŭi kongdong pŏnyŏng ŭl wihan yŏksa munje ŭi kŭkpok =: Overcoming historical conflicts and moving toward mutual prosperity in Northeast Asia
Sŏul-si. Tongbuga Yŏksa Chaedan. 2008. 318 p.
ISBN 9788961870320

21-segi tongbuga kukche kwanʾgye wa Hanʾguk
Yi, Sŭng-chʻŏl
Kyŏnggi-do Pʻaju-si. Nanam Chʻulpʻan. 2004. 458 p.
ISBN 8930080014

21-segi Tongbuga kyŏngje hyŏmnyŏk e kwanhan yŏnʾgu: Chungguk e chinchʻurhan Hanʾguk pŏbindŭl ŭi hyŏnjihwa rŭl tʻonghan kyŏngyŏng sŏngkwa chego rŭl chungsim ŭro
Pak, Chŏng-dong ; An, Chong-sŏk
Sŏul Tʻŭkpyŏlsi. Hanʾguk Kaebal Yŏnʾguwŏn. 2002. 60 p.
ISBN 8980631510

21-segi Tongbuga munhwa kongdongchʻe ŭi kusang
Chʻoe, Song-hwa ; Kwŏn, Yŏng-sŏl
Sŏul Tʻŭkpyŏlsi. Pŏmmunsa. 2004. xix, 311 p.
ISBN 8918000405