Adelowo, O., Alagbe, S., & Ayandele, A. (2010). Time-dependent stability of used engine oil degradation by cultures of <i>Pseudomonas fragi</i> and <i>Achromobacter aerogenes</i>. African Journal of Biotechnology, 5(24). https://doi.org/10.4314/ajb.v5i24.56047