4 1 20 Darma Aji Primary Author Bagas Dharmawan Editor mixed material 9789797093036 Jakarta Kompas 2007 perang_udara.png.png P.K. Ojong Primary Author R.B Sugiantoro Editor mixed material 9797091589 Jakarta Kompas 2006 perang_eroopa.png.png P.K Ojong Primary Author R.B Sugiantoro Editor mixed material 979709068X Jakarta Kompas 2002 PE_%21_2805.png.png P.K. Oj Primary Author R.B Sugiantoro Editor mixed material 9797092038 Jakarta Kompas 2005 PE_3_2805.png.png