na INLIS000000000007780 Ind 0010-0120006648 Energi UU RI No.30 Thn 2007 Tim Redaksi Fokus Media Tim Redaksi Fokus Media Bandung: Fokus media 2008 vi, 114 hal, 20 cm 978-602-8189-02-6 333 MED e 333 UU Energi 23871/2009 23872/2009