00388nam a2200157Ia 450000500170000000800410001704100080005808200100006610000170007624500450009325000060013826400500014430000160019465000060021065500140021620260922095434.0260922s9999    xx            000 0 und d  aind  a500.21 aMudjono, Fx.10aBelajar Aktif Ipa Fisika Smp Kls.1 (Smp)  a1  aJakartabGramedia Widiasarana Indonesiac1991  a- hlm.c cm 4a0  aGrade 7-9