ลิ้มตระกูล สุวิวัฒน์. “Decision-Making Support System for Car Buying Using Analytical Hierarchy Process (AHP)”. Pathumthani University Academic Journal 11, no. 1 (June 14, 2019): 104–111. Accessed May 19, 2022. https://so05.tci-thaijo.org/index.php/ptujournal/article/view/180060.