ECO CEMENT: INOVASI FORMULA SEMEN DENGAN SUBSTITUSI ABU JERAMI PADI, ABU CANGKANG KERANG SIMPING DAN ALBUMEN PADA PORTLAND CEMENT. CRANE: Civil Engineering Research Journal, [S. l.], v. 4, n. 1, p. 29–40, 2023. DOI: 10.34010/crane.v4i1.9772. Disponível em: https://ojs.unikom.ac.id/index.php/crane/article/view/9772. Acesso em: 25 apr. 2025.