NGUYEN, PHI-HUNG. “Investigating Car Purchasing Decision-Making Process Using Multi- Objective Optimization Ratio Analysis Based Analytical Hierarchy Process Model: An Empirical Case from Vietnam”. The journal of contemporary issues in business and government 27, no. 2 (April 30, 2021): 5702–5717. Accessed June 27, 2025. https://cibgp.com/index.php/1323-6903/article/view/1467.