EN中文
OPTIMAL STRUCTURE PLANNING IN AGRICULTURE AT HUNYUAN COUNTY
Zheng Jianfei, Met Xurong, Lu Zhiguang, He Shaobin
SCIENTIA GEOGRAPHICA SINICA . 1987, (1): 54 -64,102 .  DOI: 10.13249/j.cnki.sgs.1987.01.54