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		Mardiah, I., 		Hamdani, S., 		Fatimah, I., 		Setiani, N., 		Hamdani, S., & 		Astriany, D.
2022 Dec 28.  Optimasi produksi biosurfaktan dari bakteri Bacillus cereus menggunakan minyak jelantah. Jurnal Biologi Udayana. [Online] 26:2