[Problems of the optimum planning and organization of production in specialized cattle-breeding and forage enterprises]
1977
Zhelev, M. | Parmakov, P.
书目信息
页码
pp. 80-93
语言
保加利亚语
团体作者
B"lgarska Akademiya na Naukite, Sofia (Bulgaria). Ikonomicheski Inst.
1978-06-15
AGRIS AP