Mat, Nurul Arfa, Kasim Mansur, and Roslinah Mahmud. “The Relationship Between Human Capital Investment and Economic Development in Sabah”. Malaysian Journal of Business and Economics (MJBE) 2, no. 1 (March 30, 2016). Accessed April 24, 2024. https://jurcon.ums.edu.my/ojums/index.php/mjbe/article/view/128.