4 1 20 electronics = materi fisika! volume 9 : elektronika Evi Janu Translator Christopher Cooper Primary Author Rachmad Editor Siska Editor mixed material 9789795346708 Bandung Pakar Raya 2009 sound = materi fisika! volume 5 : bunyi Rachmad Isnanto Editor Tim Penerjemah Pakar Raya Primary Author Christopher Cooper Primary Author mixed material 9789795346661 Bandung Pakar Raya 2009 volume 10 kimia terapan Rachmad Isnanto Editor Cobb, Allan B Primary Author Aburiyati Translator mixed material 9789795345244 Bandung Pakar Raya 2009 volume 4 energi dan reaksi Cooper, Chris Primary Author Rachmad Isnanto Translator Indri Yuli A Editor mixed material 9789795345183 Bandung Pakar Raya 2009