Mohd Yusof MNA, Nasir NF. [RETRACTED] Effect of reaction temperature and inlet velocity of a bubble column reactor on the bubble size for biodiesel production. rpmme [Internet]. 2022 Aug. 14 [cited 2026 Mar. 12];3(1):566-75. Available from: https://publisher.uthm.edu.my/periodicals/index.php/rpmme/article/view/4528