Kyoyuk kaehyŏk esŏ kyosil kaehyŏk kkaji
By: Chŏng Tʻae-su
Publisher: Pojinjae
Published: 1983
Place of publication: Sŏul Tʻŭkpyŏlsi
Language: kor
Number of pages: 440
Subjects: Educational innovations; Education; Education and state