Sakinah, M. H., Amirruddin, A. K., K., K., D., R., M. M., R., & M. M., N. (2016). The Application of Response Surface Methodology in the Investigation of the Tribological Behavior of Palm Cooking Oil Blended in Engine Oil. Hindawi Publishing Corporation.

Sakinah, Muhamad Hisham, Abdul Kadir Amirruddin, Kadirgama K., Ramasamy D., Rahman M. M., and Noor M. M. The Application of Response Surface Methodology in the Investigation of the Tribological Behavior of Palm Cooking Oil Blended in Engine Oil. Hindawi Publishing Corporation, 2016.

Sakinah, Muhamad Hisham, et al. The Application of Response Surface Methodology in the Investigation of the Tribological Behavior of Palm Cooking Oil Blended in Engine Oil. Hindawi Publishing Corporation, 2016.