Shahimi S, Fuad SH. The Effect of Sustainability Certification Towards Firms’ Profitability: The Case of Malaysian Shariah Compliant Palm Oil Companies. jstard. 2023;5(2):11-21. Accessed March 11, 2026. https://penerbit.uthm.edu.my/ojs/index.php/jstard/article/view/14987