ENDANGSIH, T., HAKIM, H., RISMAWANDI, R. and N, A. 2025. INNOVATION IN RECYCLING SHELLS AS AN ADDITIONAL MATERIAL IN THE CONSTRUCTION OF HOLLOW CONCRETE WALLS. ICCD. 7, 1 (Oct. 2025), 408-414. DOI:https://doi.org/10.33068/iccd.v7i1.889.