Thsurin C, Ponathong C, Yongsorn C. The Factors Affecting to Internal Quality Assurance of Pathumwan Institute of Technology. J.Humanities Social Sciences [internet]. 2021 Sep. 30 [cited 2026 Sep. 14];4(3):999-1012. available from: https://so04.tci-thaijo.org/index.php/jmhs1_s/article/view/252867