Sajjatanawat, Achira, and Wilasinee Yonwikai. 2020. “Marketing Mix Factors (7Ps) Affect Decision on Enrolling into The Culinary Program of Undergraduate Students in Bangkok and Vicinity Area”. Dusit Thani College Journal 14 (2):534-54. https://so01.tci-thaijo.org/index.php/journaldtc/article/view/243457.