00412nam a2200157Ia 4500100001300000650001400013942000700027654001300034245002200047260003200069082001000101300000800111546001200119999001700131952010600148  aNarayan   aChemistry  cBK  aCalculus  aIntegral Calculus  bKedar Nath Ram NathaMeerut  a515.4  a951  aENGLISH  c28773d28773  001040708AFTaCRCEbCRCEd2023-03-17g10.50l0o515.4 pAFT1249r2023-03-17v10.50w2023-03-17yBK