Detpiratmongkol, T., Wongwitit, S., Phitayaphorn, T. and Thammapitagkul, S. (2020) “Orphan Works”, Ph.D. in Social Sciences Journal, 10(1), pp. 30–42. Available at: https://so05.tci-thaijo.org/index.php/phdssj/article/view/131683 (Accessed: 30 January 2023).