00328nam a22001097a 450000500170000002000180001708200160003524500960005126000300014730000100017765000310018720260824155828.0  a9789357291002  a300 NAT(TB)  aUnderstanding society:bIndia and beyond social science textbook for grade 9 part 1/cNCERT  aNew Delhi:bNCERT,c2026.  a220p.  aSocial science - textbook