Kyoyuk simnihak nonʼgo
By: Yi Sŏng-jin, Yi Yong-gŏl, Chŏng Wŏn-sik.
Contributors: Yi, Yong-gŏl.; Chŏng, Wŏn-sik, 1928-
Publisher: Chŏngminsa
Published: 1984
Place of publication: Sŏul
Language: kor
Number of pages: 179
Subjects: Educational psychology
Notes: Includes bibliographical references.