Kampaeng, T., and S. Tuvadaratragool. “Marketing Mix Affecting Decision Making on Using Independents Gas Station in Phetchaburi Province”. Rajapark Journal, vol. 17, no. 51, Apr. 2023, pp. 160-74, https://so05.tci-thaijo.org/index.php/RJPJ/article/view/262202.