PENGARUH SUBSTITUSI CAMPURAN LIMBAH GYPSUM DAN FLY ASH TERHADAP KARAKTERISTIK HOLLOW BLOCK. PROCEEDINGS OF NATIONAL COLLOQUIUM RESEARCH AND COMMUNITY SERVICE, [S. l.], v. 8, p. 22–27, 2024. DOI: 10.33019/snppm.v8i0.5993. Disponível em: https://www.journal.ubb.ac.id/index.php/snppm/article/view/5993. Acesso em: 10 apr. 2026.