“Whole Cell Immobilization of Antibacterial Biosurfactant Producing Bacteria in Oil Palm Empty Fruit Bunch (OPEFB)” (2026) PROSISI: Prosiding Seminar Nasional Saintek, 1(1), pp. 261–272. Available at: http://proceeding.unuha.ac.id/index.php/saintek/article/view/9 (Accessed: 24 September 2026).