R. Eris, F. (2016) “Biodiesel and Diesel Oil Performance as Carrier for Palm Oil Methyl Ester Sulphonate Surfactant for Application in Oil Well Stimulation in Limestone Reservoir”, International Journal of Sciences: Basic and Applied Research (IJSBAR), 25(1), pp. 444–554. Available at: https://www.gssrr.org/JournalOfBasicAndApplied/article/view/5162 (Accessed: 15 September 2025).