Felistus, Shitakha, Kimathi George, and Songa Caroline. “Modelling Bubble Lifetime of Thin Film Surfactants Solution on Fuel Spillage”. Asian Research Journal of Mathematics 17, no. 4 (June 9, 2021): 20-33. Accessed October 16, 2021. https://www.journalarjom.com/index.php/ARJOM/article/view/30291.