Vongphachanh, Vilayphone, and Khairunisah Ibrahim. “The Effect of Financial Variables on Systematic Risk in Six Industries in Thailand”. ABC Journal of Advanced Research 9, no. 2 (September 26, 2020): 63–68. Accessed May 18, 2024. http://i-proclaim.my/journals/index.php/abcjar/article/view/512.