NURLELA, Nurlela; ISTOMO, Finda Pratiwi. KARAKTERISASI DAN PROPORSI ABU TERBANG (FLY ASH) DALAM PEMBUATAN PCC (PORTLAND COMPOSITE CEMENT). Sains Natural: Journal of Biology and Chemistry, [S. l.], v. 10, n. 2, p. 71–86, 2020. DOI: 10.31938/jsn.v10i2.284. Disponível em: https://ejournalunb.ac.id/JSN/article/view/284. Acesso em: 16 apr. 2026.