NOVIANTI, Diah. Pemanfaatan Lumpur Lapindo untuk Mengurangi Penggunaan Semen. Cakrawala, [S. l.], v. 7, n. 1, p. 14–22, 2012. DOI: 10.32781/cakrawala.v7i1.172. Disponível em: http://cakrawalajournal.org/index.php/cakrawala/article/view/172. Acesso em: 8 aug. 2026.