Sobri, I. M., M. Halim, O.-M. Lai, A. F. Lajis, M. T. Yusof, M. I. E. Halmi, W. L. W. Johari, and H. Wasoh. “Emulsification Characteristics of Rhamnolipids by Pseudomonas Aeruginosa Using Coconut Oil As Carbon Source”. Journal of Environmental Microbiology and Toxicology, vol. 6, no. 1, July 2018, pp. 7-12, doi:10.54987/jemat.v6i1.400.