1984 nian 20 xiang nong ye zeng chan ji shu
Subtitle: Nongye zengchan jishu
By: Heilongjiang sheng nong ye ji shu tui guang zong zhan zhu bian
Edition: Di 1 ban
Publisher: Heilongjiang ke xue ji shu chu ban she; Heilongjiang sheng xin hua shu dian fa xing
Published: 1984
Place of publication: Ha'erbin
Language: chi
Number of pages: 82
Other titles: Nong ye zeng chan ji shu.; Nongye zengchan jishu.