Focusing on the “Four Trends”, Finding out the Exact Problems
HOU Yong-gang, PENG Xiao-hua
HOU Yong-gang PENG Xiao-hua
西南石油大学学报(社会科学版) . 2014, (3): 17 -19 .  DOI: 10.3863/j.issn.1674-5094.2014.03.004