BARIYAHA, N.; LAU, E. West Kalimantan-Sarawak border trade: Gravity model. Kasetsart Journal of Social Sciences, [S. l.], v. 40, n. 3, p. 703–710, 2019. Disponível em: https://so04.tci-thaijo.org/index.php/kjss/article/view/242339. Acesso em: 5 may. 2024.