Pʻohang Chonghap Chechʻŏl Chusik Hoesa haengjŏng samu kwalli hyoyulhwa pangan yŏnʼgu.
Series: Kyŏngyŏng yŏnʼgu ; che 2-ho (Sept. 1981)
Publisher: Hanʼguk Sanŏp Kyŏngje Yŏnʼguwŏn
Published: 1981
Language: kor
Number of pages: 489