“Production of Biosurfactant by Bacillus Subtilis UCP 0999 Using Cassava Wastewater (CWW) and Waste Frying Oil (WFO) As Renewable Substrates”. Research, Society and Development 11, no. 6 (April 24, 2022): e17011628805. Accessed December 5, 2025. https://rsdjournal.org/rsd/article/view/28805.