Kazim, Alaa R., et al. “Production, Optimization and Application of Bioemulsifier Extracted from Pseudomonas Aeruginosa”. World Journal of Experimental Biosciences (ISSN: 2313-3937) , vol. 5, no. 1, Jan. 2017, pp. 9-13, https://wjebio.com/index.php/journal/article/view/111.