SUNARYO, M. Eddie. CONCERNS ON USING COAL SPOIL DUMPS (COLLIERY SPOILS) AS SUB-STANDARD MATERIALS FOR CONSTRUCTION MATERIALS. Jurnal Jalan Jembatan, [S. l.], v. 24, n. 1, p. 23, 2018. Disponível em: https://binamarga.pu.go.id/jurnal/index.php/jurnaljalanjembatan/article/view/340. Acesso em: 21 sep. 2025.