Budiono, Agus. 2025. “Manufacturing Technology of Garuda Mulia Concrete Roof Tiles Wave Roof Tiles and Mulia Flat Roof Tiles Using Padang Cement at the Port of Gresik”. Edelweiss Applied Science and Technology 9 (9):1663-68. https://doi.org/10.55214/2576-8484.v9i9.10174.