中国科学院数学与系统科学研究院期刊网
Efficiency Analysis of Sanitation Management Based on Parallel Two-Stage DEA
ZHAN Jingjing, FU Yingxiong, ZHANG Xin, CHEN Weiguo, XIE Qiwei
Journal of System Science and Mathematical Science Chinese Series . 2023, (12): 3221 -3242 .  DOI: 10.12341/jssms22883