Pengaruh pemanasan terhadap karakteristik dan kualitas batubara Indonesia

Studi Adsorpsi Fosfat Secara Selektif Pada Sistem Solid Phase Extraction Menggunakan Kitosan Termodifikasi Dengan Teknik Ion Imprinted Polymer = Study For Selective Adsorption of Phosphate For Solid Phase Extraction System by Using Modified Chitosan With Ion Imprinted Polymer Methods

Rekayasa Ulang Proses Produksi Logam Mulia Emas Studi Kasus di Perusahaan Tambang = Re-engineering Process of Gold: Case Study in Mining Companies

Perhitungan volume batubara berdasarkan distribusi lithofasies Studi kasus : formasi muara enim lapangan ?P? Riau = The calculations of coal volume based on lithofacies distribution Case study : Muara enim formation field ?P? Riau

Dampak lingkungan akibat pertambangan tanpa ijin (PETI) emas (studi kasus tentang efektivitas lembaga lingkungan dalam pengendalian dampak lingkungan akibat aktivitas PETI di Kalimantan Barat) = Environmental impact of illegal gold mining (PETI) (a case study on the effectiveness of environmental institutions in controlling illegal gold mining in West Kalimantan)