Manullang, C. T. ., & Horman, J. R. (2022). PIT SMD2 OVERBURDEN PRODUCTION EVALUATION, PT. PAMAPERSADA NUSANTARA, KIDECO JAYA AGUNG DISTRICT, EAST KALIMANTAN: EVALUASI PRODUKSI OVERBURDEN DI PIT SMD2 PT. PAMAPERSADA NUSANTARA DISTRIK KIDECO JAYA AGUNG KALIMANTAN TIMUR. INTAN Jurnal Penelitian Tambang, 3(1), 59–66. https://doi.org/10.56139/intan.v3i1.56