Ligong Zhai

Zhongguo jiao tong yun shu yao lan

煤炭工业企业物资管理

Zhongguo ji shu gai zao wen ti yan jiu

能源经济与管理

Zhongguo gong ye chan ye di fa zhan

Mei tan gong ye qi ye lao dong gong zi guan li

'99 jin ri Zhongguo

Shanxi zhong dian jian she xiang mu

Zhongguo Changjiang jing ji dai =