Uri nara kigye kongŏp ŭi hyŏnhwang kwa munjechŏm
By: chʻaegim yŏnʼguwŏn Chʻoe Hyŏng-gyu, Yi Yong-baek, yŏnʼguwŏn Pak Sang-su.
Series: Tʻŭksu punsŏk = Special analysis ; che 89-ho
Publisher: Kukche Kyŏngje Yŏnʼguwŏn
Published: 1980
Place of publication: Sŏul Tʻŭkpyŏlsi
Language: kor
Number of pages: 351