Aldo Irwansyah, M. and Agus Setiawan, A. (2026) “CHICKEN EGGSHELL WASTE POWDER AS A PARTIAL REPLACEMENT FOR FLY ASH IN GEOPOLYMER CONCRETE”, Journal of Civil Engineering, Science and Technology, 17(2), pp. 215–222. doi: 10.33736/jcest.9361.2026.