Nongŏp chaehae pohŏm chedo e kwanhan yŏnʼgu
Subtitle: sudojak ŭl chungsim ŭro
By: Yi Chung-ung, susŏk yŏnʼguwŏn, Chŏng Myŏng-chʻae, yŏnʼguwŏn, Kim Chong-suk, yŏnʼguwŏn.
Series: Yŏnʼgu pogo / Hanʼguk Nongchʻon Kŏngje Yŏnʼguwŏn ; 19
Publisher: Hanʼguk Nongchʻon Kyŏngje Yŏnʼguwŏn
Published: 1980
Place of publication: Sŏul Tʻŭkpyŏlsi
Language: kor
Number of pages: 295