EmamAtiyah Ibadi, Hussein Kamil Awad. 2021. “Biodiesel Production by the Purified Lipase As Biocatalytic from Pseudomonas Putida Isolated from Oil-Contaminated Soil”. Design Engineering, December, 2527 -35. http://www.thedesignengineering.com/index.php/DE/article/view/7202.