ET. AL., Dwi F. Moenardy,. Hainan Province As The New Free Trade Port. Turkish Journal of Computer and Mathematics Education (TURCOMAT), [S. l.], v. 12, n. 8, p. 487–494, 2021. Disponível em: https://www.turcomat.org/index.php/turkbilmat/article/view/2825. Acesso em: 14 oct. 2025.