Zhiyao B. Empirical Research of Mandarin Popularization Boosting County-level Innovation and Entrepreneurship in Ethnic Minority Regions: Evidences from Eight Counties (Cities) in Guangxi Sino-Vietnam Border . JAL [Internet]. 2020 Dec. 10 [cited 2024 Apr. 24];11:75-93. Available from: https://rajpub.com/index.php/jal/article/view/8926