Wornwattana P. Factors Contributing to Delayed and Specified Graduation of Graduate Students of Faculty of Humanities and Social Sciences, Mahasarakham University. ambj [internet]. 2020 Dec. 29 [cited 2026 Oct. 4];5(2):50-64. available from: https://so06.tci-thaijo.org/index.php/ambj/article/view/243568