SIRITHANYAPORN, S. ส่วนหน้า. Mahachula Academic Journal, Bangkok, Thailand, v. 5, n. ฉบับพิเศษ, p. ส่วนหน้า (1–16), 2018. Disponível em: https://so04.tci-thaijo.org/index.php/JMA/article/view/141268. Acesso em: 28 apr. 2024.