สุขสารอมรกุล น. and เพชรรัตน์ ห. (2018) “CASUAL FACTORS OF PERSONALITY ELEMENT OF COSMETIC SALESPERSON: TOWARD CUSTOMER SATISFACTION AND CUSTOMER ENGAGEMENT”, Ph.D. in Social Sciences Journal, 8(1), pp. 119–134. Available at: https://so05.tci-thaijo.org/index.php/phdssj/article/view/117072 (Accessed: 30 November 2022).