Kyosu yowŏn yangsŏng, hwakpo pangan
By: Yŏnʼgu chʻaegimja Yun Chŏng-il ... [et al.].
Publisher: Hanʼguk Kyoyuk Kaebarwŏn
Published: 1979
Place of publication: Sŏul Tʻŭkpyŏlsi
Language: kor
Number of pages: 243