中国科学院数学与系统科学研究院期刊网
The Cultural Quality of Farmers,Economic Results Analysis and The study of Countermeasures
Zhang Zhiyao;Liang Jiahua;Cheng Gang
Systems Engineering - Theory & Practice . 1994, (10): 25 -32 .  DOI: 10.12011/1000-6788(1994)10-25