Azman Ong MH, Mahmud Z. An Exploratory Factor Analysis of Market Survey Instruments for Automobile Industry: A study on Malaysian Motor Vehicle Industry. Thail. Stat. [internet]. 2020 Sep. 23 [cited 2026 Sep. 29];18(4):481-90. available from: https://ph02.tci-thaijo.org/index.php/thaistat/article/view/242041