Bujang, H., Aman, M. Y., Mohamed Taher, M. N., & Suradi, S. S. (2023). Microstructural Characteristics of Fly Ash Geopolymer Modified Asphalt Binder . International Journal of Integrated Engineering, 15(6), 152-159. https://penerbit.uthm.edu.my/ojs/index.php/ijie/article/view/14833