Analisis yuridis terhadap ketentuan-ketentuan dalam izin usaha pertambangan eksplorasi dan operasi produksi berdasarkan undang-undang nomor 4 Tahun 2009 tentang pertambangan mineral dan batubara (Studi kasus terhadap IUP eksplorasi timah PT. Bumi Palong dan IUP operasi produksi batubara PT. Mitra Tambang Barito) = Legal analysis on the terms and conditions of mining exploration license and exploitation based on the law No. 4 of 2009 regarding mineral and coal mining (Case studies of tin mining exploration license owned by PT. Bumi Palong and coal mining production operation license owned by PT. Mitra Tambang Barito) - Simamora, Nisran, author (Fakultas Hukum Universitas Indonesia, 2012)