Othman, I. S., M. A. F. M. M. Azam, M. F. A. Bakar, M. S. Kasim, T. A. Rahman, and M. R. Mohamad. “Influence of Ball Milling Duration of Quarry Dust on the Properties of Nickel-Quarry Dust Composite Coating”. Journal of Mechanical Engineering and Sciences 13, no. 3 (September 27, 2019): 5441 - 5454. Accessed September 30, 2020. https://journal.ump.edu.my/jmes/article/view/367.