An Analysis of the Fluctuation of China's Natural Gas Industry Prosperity Indexes in 2019
SHEN Xilin, LI Yi, WU Junxian, EMU Yezi, FU Hongming
西南石油大学学报(社会科学版) . 2020, (2): 1 -10 .  DOI: 10.11885/j.issn.1674-5094.2020.03.20.01