สัมมานุช โ., ภูสีฤทธิ์ ธ., & หกสุวรรณ ส. (2019). The Development of Information Technology Aspect Learning Environment Based on the Philosophy of Sufficiency Economy for Undergraduate Students. Ratchaphruek Journal, 17(1), 76–85. retrieved from https://so05.tci-thaijo.org/index.php/Ratchaphruekjournal/article/view/175197