SIRITHANYAPORN, S. ส่วนหน้า. Mahachula Academic Journal, Bangkok, Thailand, v. 4, n. 1, p. ส่วนหน้า(1–14), 2018. Disponível em: https://so04.tci-thaijo.org/index.php/JMA/article/view/141373. Acesso em: 28 apr. 2024.