00369nam a2200145Ia 450000500170000000800410001704100080005808200090006610000190007524500610009426400280015530000200018365000060020365500140020920260914083216.0260914s9999    xx            000 0 und d  aind  a300.1 aPROGRESIF, Tim10aErlangga X-press UN Ilmu Pengetahuan Sosial SMP/MTs 2020  aJakartabErlanggac2020  a234 hlm.c26 cm 4a0  aGrade 7-9