SILALAHI, A. B.; TRIDES, T. .; NUGROHO, W. .; OKTAVIANI, R.; JUVENSIUS PONTUSI, A. STUDI KEKUATAN BATULEMPUNG DENGAN UJI SCHMIDT HAMMER DAN UNIAXIAL COMPRESSIVE STRENGTH FORMASI BALIKPAPAN DAN PULAUBALANG SAMARINDA, KALIMANTAN TIMUR: STUDY OF CLAYSTONE STRENGTH USING THE SCHMIDT HAMMER TEST AND UNIAXIAL COMPRESSIVE STRENGTH BALIKPAPAN AND PULAUBALANG FORMATIONS IN SAMARINDA, EAST KALIMANTAN. JURNAL TEKNIK PERTAMBANGAN, [S. l.], v. 23, n. 2, p. 47–52, 2023. DOI: 10.36873/jtp.v23i2.10536. Disponível em: https://e-journal.upr.ac.id/index.php/JTP/article/view/10536. Acesso em: 22 dec. 2024.