THAKUMSORN, S.; INSORN, D. Legal Measures for Textbook Copyright Protection. Interdisciplinary Academic and Research Journal , Maha Sara Kham, TH., v. 2, n. 5, p. 771–786, 2022. DOI: 10.14456/iarj.2022.124. Disponível em: https://so03.tci-thaijo.org/index.php/IARJ/article/view/264207. Acesso em: 16 sep. 2026.