ภูมิพันธุ์ ณ. . (2020) “Development of a Web-Based Blended Learning Model to Enhance Communication and Collaborative Working for the 21st Century Learning Skills ”, Journal of Graduate School, Pitchayatat, Ubon Ratchathani Rajabhat University, 15(1), pp. 51–62. Available at: https://so02.tci-thaijo.org/index.php/Pitchayatat/article/view/241491 (Accessed: 6 May 2024).