21-segi ŭi chanyŏ kyoyuk
Subtitle: kajŏng, hakkyo, sahoe, pʻyŏngsaeng kyoyuk ŭi kiljabi
By: Cho Pyŏng-hyo chiŭm
Publisher: Kyoyuk Kwahaksa
Published: 1993
Place of publication: Sŏul Tʻŭkpyŏlsi
Language: kor
Number of pages: 263
Other titles: Isip-ilsegi ŭi chanyŏ kyoyuk.
Notes: Includes bibliographical references (p. 261-263).