Zen yang ding he tong
Subtitle: nong ye sheng chan ze ren zhi he tong di qian ding yu guan li
By: Xing Shangwu, Gong Shenglong bian [xie].
Contributors: Gong, Shenglong.
Edition: Di 1 ban
Publisher: Heilongjiang ren min chu ban she; Heilongjiang   sheng xin hua shu dian fa xing
Published: 1982
Place of publication: Ha'erbin
Language: chi
Number of pages: 76
Subjects: Contracts, Agricultural -- China.; Agricultural productivity -- China.; Farm production quotas -- China.