ISTIA, Ris Viko; HUWAE, David Daniel Marthin; TAHYA, Hendrie. ANALISIS PERBANDINGAN PEMAKAIAN SEMEN TONASA DAN SEMEN CONCH TERHADAP KUAT TEKAN BETON. Journal Agregate, [S. l.], v. 2, n. 2, p. 249–254, 2023. DOI: 10.31959/ja.v2i2.1482. Disponível em: https://www.ejournal-polnam.ac.id/index.php/JA/article/view/1482. Acesso em: 3 feb. 2026.