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

Indonesian Mining Journal

Detailed coal exploration in Napal, Peranap, Riau, Sumatera, Indonesia

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)

Distance learning: video conferencing in education, the mining industry