Panchali Sarma et al. 2020. Optimization of Parameters for Increased Production of Polyhydroxybutyrate (PHB) from Bacillus Species. International Journal of Pharma and Bio Sciences. 11, 4 (Dec. 2020), 83–95. DOI:https://doi.org/10.22376/ijpbs.2020.11.4.b83-95.