Roengsungnoen, K., T. Siripirom, and A. Phetthai. “Master’s Degree Study Needs of private companies in Chumphon Province”. Journal of Humanities and Social Sciences Mahamakut Buddhist University Isan Campus, vol. 4, no. 2, Aug. 2023, pp. 12-22, https://so06.tci-thaijo.org/index.php/jhsmbuisc/article/view/263579.