Ahmad Rozaimee Mustaffa (2020) “DIRECT TRANSESTERIFICATION WITHOUT CATALYST OF MICROALGAE WITH AN AIDED OF ULTRASONIC TREATMENT IN BIODIESEL PRODUCTION”, Malaysian Journal of Industrial Technology, 4(1), pp. 21–26. Available at: https://ejournal.unikl.edu.my/index.php/mjit/article/view/572 (Accessed: 14 June 2026).