LI, Feng; WANG, Zhaorui; LI, Ruiqi; LI, Zhengyu. Research on the Promotion of Regional Economic Cooperation and Competitiveness of Guangdong Province and Hainan Province in China. RA Journal Of Applied Research, [S. l.], v. 5, n. 01, p. 2242–2247, 2019. DOI: 10.31142/rajar/v5i1.05. Disponível em: http://rajournals.in/index.php/rajar/article/view/471. Acesso em: 28 mar. 2024.