Compressive Strength and Porosity of POFA Blended Concrete Admixed with Micro SilicaMonita Olivia, Wulan Ramanda Putri, Steve Supit, Gunawan Wibisono and Panca Setia UtamaE3S Web Conf., 445 (2023) 01034DOI: https://doi.org/10.1051/e3sconf/202344501034