A.N. Farhanah, and S. Syahrullail. “Tribological Behaviour of Zinc Dialkyl-Dithiophosphate (ZDDP) As a Lubricant Additive in RBD Palm Stearin”. Journal of Advanced Research in Fluid Mechanics and Thermal Sciences 11, no. 1 (July 15, 2015): 19–26. Accessed November 23, 2024. https://semarakilmu.com.my/journals/index.php/fluid_mechanics_thermal_sciences/article/view/2565.