Shaba, A.M., Oyeleke, S.B., Ijah U.J.J., Oyewole, O.A., Adamu, B.B., Okeke, K.S., Baba, J., and Cletus C.I. “Optimization of Growth Conditions of Serratia Marcescens for Prodigiosin Production”. UMYU Journal of Microbiology Research (UJMR), vol. 2, no. 2, Dec. 2017, pp. 27-37, doi:10.47430/ujmr.1722.005.