Liew, P.J., M.R. Yahaya, M.S. Salleh, R. Izamshah, and J. Wang. 1. “EXPERIMENTAL INVESTIGATION OF DRILLING PROCESS USING NANOFLUID AS COOLANT”. Journal of Advanced Manufacturing Technology (JAMT) 12 (1(3), 11-22. https://jamt.utem.edu.my/jamt/article/view/4861.