Zhang, Meizhen
Lv, Tao
Deng, Xu
Dai, Yuanxu
Sajid, Muhammad
Funding for this research was provided by:
Humanities and Social Science Foundation (16YJA790037)
Jiangsu Province Graduate Research & Innovation Project (KYLX16_0516)
Center for International Energy Policy Research (6J147125)
Article History
Received: 8 May 2018
Accepted: 3 September 2018
First Online: 31 October 2018
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.