21-segi minju simin kyoyuk ŭl wihan chŏngch'i kyoyuk kwa pŏp kyoyuk /

by Kim, Yŏng-chʻan
Published 2010

Hakkyo wa chiyŏk sahoe /

by Pak, Yong-hŏn
Published 1981

21-segi minju simin kyoyuk kwa hyŏndae chŏngch'i ŭi ihae /

by Kim, Yong-ch'an, Kim, Yŏng-chʻan, Kim, Yŏng-chʻan
Published 2014

Kyoyuk ŭi sahoehakchŏk kichʻo /

by Kim, Yŏng-chʻan
Published 1980

Hakkyo ŭi sahoe munhwajŏk tʻŭksŏng kwa kinŭng /

Published 1990