Koryŏ sidae sawŏn ŭi sahoe kyŏngje yŏnʼgu /

by Yi, Sang-sŏn, Yi, Sang-sŏn, Yi, Sang-sŏn
Published 1998

Han'guk chungse Yugyo chŏngch'i sasang kwa nongŏp /

by Han, Chŏng-su, 1967-, Han, Chŏng-su, 1967-
Published 2007

Koryŏ hugi sawŏnjŏn yŏnʼgu /

by Pae, Sang-hyŏn, Pae, Sang-hyŏn, Pae, Sang-hyŏn
Published 1998

Koryŏ hugi nongŏp kyŏngje yŏnʼgu /

by Wi, Ŭn-suk, 1956-, Wi, Ŭn-suk, 1956-, Wi, Ŭn-suk, 1956-, Wi, Ŭn-suk, 1956-
Published 1998

Koryŏ hugi sawŏn kyŏngje yŏnʼgu /

by Yi, Pyŏng-hŭi, Yi, Pyŏng-hŭi, 1958-
Published 2008

Hanʼguk kojungse sahoe kyŏngjesa yŏnʼgu /

by Yi, In-ch'ŏl, 1958-, Yi, In-chʻŏl, 1958-, Yi, In-chʻŏl, 1958-
Published 2009

Koryŏ sigi sawŏn kyŏngje yŏn'gu /

by Yi, Pyŏng-hŭi, 1958-, Yi, Pyŏng-hŭi, 1958-, Yi, Pyŏng-hŭi, 1958-, Yi, Pyŏng-hŭi, 1958-
Published 2009

Koryŏ sidae ŭi nongŏp saengsan kwa kwŏnnong chŏngchʻaek /

by Yi, Chŏng-ho, 1966-, Yi, Chŏng-ho, 1966-, Yi, Chŏng-ho, 1966-, Yi, Chŏng-ho, 1966-
Published 2009

Han'guk ko, chungse sahoe kyŏngjesa yŏn'gu /

by Yi, In-ch'ŏl, 1958-
Published 2009