DETPIRATMONGKOL, T.; WONGWITIT, S.; PHITAYAPHORN, T.; THAMMAPITAGKUL, S. Orphan Works. Ph.D. in Social Sciences Journal, [S. l.], v. 10, n. 1, p. 30–42, 2020. Disponível em: https://so05.tci-thaijo.org/index.php/phdssj/article/view/131683. Acesso em: 30 jan. 2023.