Al-Sahlany , S., and S. Al-Sahlany. “Study of Optimum Conditions for Polyhydroxybutyrate Production from Local Isolate of Bacillus Cereus B ”. University of Thi-Qar Journal of Science, Vol. 5, no. 2, Apr. 2019, pp. 88-96, https://www.jsci.utq.edu.iq/index.php/main/article/view/109.