SIRITHANYAPORN, S. ส่วนหน้า. Mahachula Academic Journal, Bangkok, Thailand, v. 6, n. ฉบับพิเศษ, p. 1–24, 2019. Disponível em: https://so04.tci-thaijo.org/index.php/JMA/article/view/190659. Acesso em: 29 apr. 2024.