Hafiz Bajuri, Norkhairul, Shanti Chakravarty, and Jamaludin Suhaila. “Analysis of Corporate Control: How Good Is the Straffin Index?”. MATEMATIKA 29 (June 1, 2013): 129–140. Accessed October 18, 2025. https://matematika.utm.my/index.php/matematika/article/view/366.