Journal of Hebei University of Water Resources and Electric Engineering ›› 2021, Vol. 31 ›› Issue (1): 62-66.DOI: 10.16046/j.cnki.issn2096-5680.2021.01.012
• Management Science Research • Previous Articles Next Articles
WANG Jing-sheng1,ZHAO Li-li 2,ZHANG Peng2
王景胜1,赵丽丽2,张 鹏2