7.30 Kyoyuk kaehyŏk
By: Chŏng Tʻae-su chŏ
Publisher: Yejigak
Published: 1991
Place of publication: Sŏul Tʻŭkpyŏlsi
Language: kor
Number of pages: 477
Subjects: Education and state; Education
Other titles: Chʻilsamsip kyoyuk kaehyŏk.
Notes: Includes bibliographical references.