Shahimi S, Fuad SH. The Effect of Sustainability Certification Towards Firms’ Profitability: The Case of Malaysian Shariah Compliant Palm Oil Companies. jstard [Internet]. 2023 Dec. 5 [cited 2026 Aug. 12];5(2):11-2. Available from: https://journal.uthm.edu.my/index.php/jstard/article/view/14987