00390nam a2200157Ia 450000500170000000800410001704100080005808200100006610000190007624500530009525000060014826400420015430000160019665000060021265500140021820260922095716.0260922s9999    xx            000 0 und d  aind  a371.31 aSanders, L.Fj.10aMembantu Anak Mengerjakan Pekerjaan Rumah (Guru)  a0  aJakartabGramedia Pustaka Utamac1991  a- hlm.c cm 4a0  aGrade 7-9