สมยูรทรัพย์ ณัฐธยาน์. “The Influencing Promotional Strategies towards the Decision to study in Private University, International Programs”. Journal of Humanities and Social Sciences, Rajapruk University 2, no. 3 (January 31, 2017): 73–83. accessed August 31, 2026. https://so03.tci-thaijo.org/index.php/rpu/article/view/112444.