@article{袁清和:34, author = {袁清和, 李兴华, 蒋国安}, title = {煤炭成本控制工作的对策研究}, publisher = {黄金科学技术}, year = {1999}, journal = {黄金科学技术}, volume = {7}, number = {4~5}, eid = {34}, numpages = {1}, pages = {34}, keywords = {

煤炭成本;控制;对策;系统论

}, url = {http://www.goldsci.ac.cn/CN/abstract/article_9217.shtml}, doi = {} }