Liberalisasi migas dan melemahnya peran negara dalam penguasaan energi strategis: studi kasus penguasaan Operatorship Blok Cepu tahun 2006 = Liberalization of oil and gas and the weakening role of the state in mastery of strategic energy: case study Operatorship Mastery of the Block Cepu year 2006 / Musadin Prasetia La Angka - Musadin Prasetia La Angka, author (2013)