Yanling W, Jiaxi W. An Empirical Study About the Effects of ‘Business Tax Reformed to VAT’ on Firms’ Bargaining Power: Based on DID Model. ESJ [Internet]. 2019 Mar. 31 [cited 2026 May 28];15(7):225. Available from: https://last.eujournal.org/index.php/esj/article/view/11863