Mardiah, Irma, 		Hamdani, Syarif, 		Fatimah, Ika, 		Setiani, Nur Asni, 		Hamdani, Syarif, AND 		Astriany, Dewi.
" Optimization of biosurfactant production in Bacillus cereus using waste frying oil" <em>Jurnal Biologi Udayana</em> [Online], Volume 26 Number 2 (28 December 2022)