1 |
Department of Economics and Management, North China Electric Power University, Baoding, Hebei, China |
2 |
State Grid Xiongan New Area Electric Power Supply Company, Xiongan New Area, Hebei, China |
CORRESPONDING AUTHOR
Ting Fang
Department of Economics and Management, North China Electric Power University, China
Submission date: 2020-06-17
Final revision date: 2020-08-06
Acceptance date: 2020-08-11
Online publication date: 2021-01-26
Publication date: 2021-02-05
Pol. J. Environ. Stud. 2021;30(2):1695–1705