Harahap, Bhakti Hamonangan

• Jurnal Geologi dan Sumberdaya Mineral Vol. 21 No. 1 (2011): Jurnal Sumber Daya Geologi - Article
  PETROLOGY AND GEOCHEMISTRY OF THE UPPER MIOCENE VOLCANICS ON THE WESTERN PART OF BARISAN MOUNTAIN RANGES, LUBUK SIKAPING REGION, WEST SUMATRA
  Abstract  PDF
• Jurnal Geologi dan Sumberdaya Mineral Vol. 23 No. 3 (2013): Jurnal Sumber Daya Geologi - Article
  MAGMATISME, SUMBERDAYA MINERAL DAN ENERGI DI TAPANULI SELATAN-SUMATERA UTARA
  Abstract  PDF