%0 Journal Article %T Fly Ash-Based Geopolymer as a Coating Material for Urea Encapsulation: Characterization, DEM Simulation and Validation %A Nouh, Salma Awad %A Lau, Kok Keong %A Samsuri, Shafirah %A Azeem, Babar %J Arabian Journal for Science and Engineering %V OnlineFirst %P 1-15 %@ 2193-567X %D 2025-06-20 %I Springer Berlin Heidelberg %~ DeepDyve