, R & D Centre for Coal and Mineral Technology, Indonesia

• Indonesian Mining Journal Vol. 8 No. 01 (2005): INDONESIAN MINING JOURNAL Vol. 8 No. 1 February 2005 - ARTICLE
  VITRINITE REFLECTANCE VARIATION OF OMBILIN COAL ACCORDING TO ITS PETROGRAPHIC ANALYSIS
  Abstract  PDF
• Indonesian Mining Journal Vol. 8 No. 01 (2005): INDONESIAN MINING JOURNAL Vol. 8 No. 1 February 2005 - ARTICLE
  UPGRADING OF INDONESIAN LOW RANK COAL BY STEAM DRYING METHOD
  Abstract  PDF