Mangi, Sajjad Ali, Mohd Haziman Wan Ibrahim, Norwati Jamaluddin, Mohd Fadzil Arshad, Sheeraz Ahmed Memon, and Shahiron Shahidan. 2019. “Effects of Grinding Process on the Properties of the Coal Bottom Ash and Cement Paste”. Journal of Engineering and Technological Sciences 51 (1):1-13. https://doi.org/10.5614/j.eng.technol.sci.2019.51.1.1.