Aldo Irwansyah, Muhammad, and Agustinus Agus Setiawan. “CHICKEN EGGSHELL WASTE POWDER AS A PARTIAL REPLACEMENT FOR FLY ASH IN GEOPOLYMER CONCRETE”. Journal of Civil Engineering, Science and Technology 17, no. 2 (September 30, 2026): 215–222. Accessed October 8, 2026. https://publisher.unimas.my/ojs/index.php/JCEST/article/view/9361.