00430nam a22001457a 450000500170000000800410001704100080005808200130006610000210007924500650010026000600016530000190022565000110024470000290025520180202152312.0180202b        xxu||||| |||| 00| 0 eng d  aeng  a500bVIG  aVigyan class VII  aVigyan class VIIb:c/ by Basant Kumar Choudhuree [...et al]  aBhubaneswarb: Vidyalaya O Ganashiksha Vivagc, 2017-18  a221p.c; 27cm.  aVigyan  aChoudhuree, Basant Kumar