Razak, S.N.A. and Shafiq, N. and Guillaumat, L. and Wahab, M.M.A. and Farhan, S.A. and Husna, N. and Ismail, F.I. (2021) Effect of Heating Duration at High Temperature on the Strength and Integrity of Fly Ash-Based Geopolymer Concrete. In: UNSPECIFIED.