GRAYTEE, Ahmed; MEHDI, Hayder. Development of Fly Ash-Based Geopolymer Lightweight Aggregates. Journal of Engineering and Sustainable Development, Baghdad, Iraq, v. 28, n. 5, p. 619–629, 2024. DOI: 10.31272/jeasd.28.5.7. Disponível em: https://jeasd.uomustansiriyah.edu.iq/index.php/jeasd/article/view/2559.. Acesso em: 5 jul. 2025.