บุญอุไร สุวภา. 2017. “FACTORS AFFECTING THE PROACTIVE BEHAVIOR OF STUDENTS PRINCESS CHULABHORN’S COLLEGE, CHONBURI”. Journal of Yanasangvorn Research Institute Mahamakut Buddhist University 8 (2):209-15. https://so04.tci-thaijo.org/index.php/yri/article/view/178478.