Kampaeng, Thammarat, and Sumeth Tuvadaratragool. “Marketing Mix Affecting Decision Making on Using Independents Gas Station in Phetchaburi Province”. Rajapark Journal 17, no. 51 (April 26, 2023): 160–174. Accessed May 20, 2024. https://so05.tci-thaijo.org/index.php/RJPJ/article/view/262202.