Gani, I., Jamaluddin, J., & Darman, D. (2023). The Effect of Adding Shells as Aggregate on the Level of Tensile Strength of Concrete. Zona Laut Jurnal Inovasi Sains Dan Teknologi Kelautan, 4(3), 361-367. https://doi.org/10.62012/zl.v4i3.31756