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

• Indonesian Mining Journal Vol. 21 No. 2 (2018): INDONESIAN MINING JOURNAL, Vol. 21 No. 2, October 2018 - ARTICLE
  STUDY ON ENVIRONMENTAL QUALITY AND HAZARD IDENTIFICATION OF UNDERGROUND COAL GASIFICATION PROJECT: A LITERATURE STUDY AND FIELD SURVEY
  Abstract  PDF