1. Faculty of Engineering and Technology, Multimedia University, 75450 Ayer Keroh, Malacca, Malaysia (Corresponding author), email: ervinaefzan@gmail.com, https://orcid.org/0000-0002-2718-604X
2. Faculty of Engineering and Technology, Multimedia University, 75450 Ayer Keroh, Malacca, Malaysia
3. Centre of Excellence Geopolymer System Research, School of Materials Engineering, Universiti Malaysia Perlis, PO Box 77, D/A Pejabat Pos Besar, 01000, Kangar, Malaysia