Chalayonnawin, P., K. Suthiwartnarueput, P. Pornchaiwiseskul, and C. Sukmanop. “Contributing Factors of Fatal Commercial Air Accidents: Quantitative Approach”. Journal of Research Methodology, vol. 36, no. 3, Dec. 2023, pp. 274-97, https://so12.tci-thaijo.org/index.php/jrm/article/view/915.