ประถมพนากุล พ. “A Consumer Perception on the Car Tyre Brands in Maesai District, Chiang Rai Province”. Journal of Management Science Chiangrai Rajabhat University, vol. 6, no. 2, June 2018, pp. 28-46, https://so03.tci-thaijo.org/index.php/jmscrru/article/view/127321.