Mineral matter and its identification in Indonesian coal

Proceedings of international conference on mining and the environment : Bandung, Indonesia, July 2-4, 1991

Review of geological and mining condition at Ombilin, Indonesia, in comparison with those at other collieries, in Australia and the United Kingdom

The Coal industry

Studi kasus kebijakan pertambangan mineral dan batuan Indonesia : analisis pemikiran resource nationalism (periode 2009-2014) = Case study of Indonesian mineral and ores mining policies : the analysis of resource nationalism (period of 2009-2014)