Ahmad, R., Hamid, R. and A. Osman, S. (2019) “Effect of Thermally Activated Alum Sludge Ash and Nanoclay on the Mechanical Properties and Microstructure of Kenaf Fiber Reinforced Mortars”, International Journal of Engineering and Technology, 8(1.2), pp. 82–88. doi:10.14419/ijet.v8i1.2.24877.