“Improve of Indulines Enzyme Productivity from RecombinantEscherichia Coli BL21 (DE3)”. 2022. Mesopotamia Environmental Journal (mesop. Environ. J) ISSN: 2410-2598 5 (4): 51-57. https://mej.uobabylon.edu.iq/index.php/mej/article/view/17.