Phakamach, P., P. . Senarith, S. . Supap, N. S. ommartdejsakul, and T. . Sarasaen. “Learning Management Platform Using Problem-Based Learning Combined with Constructivism on Seminar in Trend Resolutions in the Educational System for Graduate Learner”. Trends of Humanities and Social Sciences Research, vol. 12, no. 2, Dec. 2024, pp. 145-71, https://so03.tci-thaijo.org/index.php/Humanties-up/article/view/282449.