Al Bakri, A. M. ., Kamarudin, H., Bnhussain, M., Nizar, I. K. ., & Mastura, W. (2011). Mechanism and Chemical Reaction of Fly Ash Geopolymer Cement- A Review. Journal of Asian Scientific Research, 1(5), 247–253. Retrieved from https://archive.aessweb.com/index.php/5003/article/view/3292