WIDARA, Maharani Rindu; SAPUTRA, M. Indra. PENGARUH KARAKTERISTIK LITOLOGI TERHADAP EFEKTIVITAS FRAGMENTASI PELEDAKAN DAN DIGGING TIME MATERIAL OVERBURDEN PADA TAMBANG BATUBARA TERBUKA: EFFECT OF LITHOLOGICAL CHARACTERISTICS ON THE EFFECTIVENESS OF BLAST FRAGMENTATION AND OVERBURDEN MATERIAL DIGGING TIME IN OPEN-PIT COAL MINING. JURNAL TEKNIK PERTAMBANGAN, [S. l.], v. 26, n. 1, p. 31–41, 2026. DOI: 10.36873/jtp.v26i1.25413. Disponível em: https://e-journal.upr.ac.id/index.php/JTP/article/view/25413. Acesso em: 26 may. 2026.