สุทธิมาร อ. สารบัญ. Research and Development Journal Suan Sunandha Rajabhat University, Bangkok, Thailand, v. 8, n. 1, 2019. DOI: 10.53848/irdssru.v8i1.214503. Disponível em: https://so05.tci-thaijo.org/index.php/irdssru/article/view/214503. Acesso em: 11 ธ.ค. 2025.