Journal of Hebei University of Water Resources and Electric Engineering ›› 2018, Vol. 28 ›› Issue (4): 58-61.DOI: 10.16046/j.cnki.issn2096-5680.2018.04.013
• Management Science Research • Previous Articles Next Articles
ZHENG Yu-mei,ZHAO Xiao-yi,LIU Li-xiang
郑宇梅,赵晓毅,刘丽香