Gaffar Bakri, I. et al. 2025. Daur Ulang Cangkang Keong Tutut (Bellamiya Javanica) Sebagai Bahan Tambah Campuran Beton. Journal of Green Complex Engineering. 2, 2 (Feb. 2025), 69–77. DOI:https://doi.org/10.59810/greenplexresearch.v2i2.152.