Nongŏp kwanchʻŭk
Subtitle: nongŏp kwanchʻŭk kaeyo wa 81-yŏndo kwanchʻŭk
By: Hŏ Sin-haeng, susŏk yŏnʼguwŏn ... [et al.].
Series: Yŏnʼgu pogo / Hanʼguk Nongchʻon Kyŏngje Yŏnʼguwŏn ; 28
Publisher: Hanʼguk Nongchʻon Kyŏngje Yŏnʼguwŏn
Published: 1981
Language: kor
Number of pages: 147