SUWANNATRAI, L. Guidelines for Development of English Communicative Skills of Traders in Special Economic Zone (SEZ), Mueang District, Mukdahan Province. International Journal of Development Administration Research, [S. l.], v. 1, n. 1, p. 19–30, 2020. Disponível em: https://so02.tci-thaijo.org/index.php/ijdar/article/view/246367. Acesso em: 16 sep. 2026.