Azman Ong, M. H. and Mahmud, Z. (2020) “An Exploratory Factor Analysis of Market Survey Instruments for Automobile Industry: A study on Malaysian Motor Vehicle Industry”, Thailand Statistician, 18(4), pp. 481–490. available at: https://ph02.tci-thaijo.org/index.php/thaistat/article/view/242041 (accessed: 1 October 2026).