SUARYANA, Nyoman. PENELITIAN PEMANFAATAN ASBUTON BUTIR DI KOLAKA SULAWESI TENGGARA. Jurnal Jalan Jembatan, [S. l.], v. 25, n. 3, p. 13, 2018. Disponível em: https://binamarga.pu.go.id/jurnal/index.php/jurnaljalanjembatan/article/view/329. Acesso em: 5 jul. 2025.