JUNAIDI, A.; MUHAMMAD FADHIL SAPUTRA; VERINAZUL SEPTRIANSYAH; HARIYANTO, R Dewo Hiraliya Maesa. Analysis of the Effect of Adding Fly Ash and Bio Enzyme (Bio Conc) on Concrete Compressive Strength. Engineering And Technology Journal, [S. l.], v. 10, n. 7, p. 5644–5648, 2025. DOI: 10.47191/etj/v10i07.10. Disponível em: https://everant.org/index.php/etj/article/view/2026. Acesso em: 28 sep. 2026.