Laila M Zargoun, & Salih Muftah Bashir. (2023). Extraction of Polyhydroxybutyrates from Bacillius cereus isolated from Engine Oil-polluted Soils. Bani Waleed University Journal of Humanities and Applied Sciences, 8(2), 554-574. https://doi.org/10.58916/jhas.v8i2.481