, R&D Centre for Mineral and Coal Technology (Puslitbang Teknologi Mineral dan Batubara), Indonesia

• Indonesian Mining Journal Vol. 21 No. 2 (2018): INDONESIAN MINING JOURNAL, Vol. 21 No. 2, October 2018 - ARTICLE
  THE NATURES OF ZINC SULFIDE CONCENTRATES AND ITS BEHAVIOR AFTER ROASTING PROCESS
  Abstract  PDF
• Indonesian Mining Journal Vol. 23 No. 1 (2020): INDONESIAN MINING JOURNAL, Vol. 23 No. 1, April 2020 - ARTICLE
  ECONOMIC ANALYSIS OF MINI COAL GASIFIER (GasMin) COMMERCIALIZATION FOR SMALL AND MEDIUM INDUSTRIES (SMIs)
  Abstract  PDF