Chinsuvapala, P. (2017). Kotler, Philip and Keller Kelvin Lane. (2016). Marketing Management. (15th global edition) Edinburgh: Pearson Education. (679 pp). KASEM BUNDIT JOURNAL, 18(2), 180–183. Retrieved from https://so04.tci-thaijo.org/index.php/jkbu/article/view/104793