Chosŏn sidae chijuje yŏn'gu /

by Yi, Se-yŏng, 1954-, Yi, Se-yŏng, 1954-, Yi, Se-yŏng, 1954-, Yi, Se-yŏng, 1954-, Yi, Se-yŏng, 1954-, Yi, Se-yŏng, 1954-
Published 2018

Hanʼguksa yŏnʼgu wa kwahaksŏng /

by Yi, Se-yŏng, 1954-, Yi, Se-yŏng, 1954-, Yi, Se-yŏng, 1954-, Yi, Se-yŏng, 1954-
Published 1997

Chosŏn hugi chŏngchʻi kyŏngjesa /

by Yi, Se-yŏng, 1954-, Yi, Se-yŏng, 1954-, Yi, Se-yŏng, 1954-, Yi, Se-yŏng, 1954-
Published 2001