00389nam a2200133Ia 4500008004100000041000800041082001600049100001500065245004000080260000900120300000800129952010300137999001500240211209s1977    xx            000 0 und d  aeng  a510 N77 PRA  aPRASAD I B  aTEXT BOOK OF PRACTICAL MATHEMATICS   c1977  a702  00104070aRITbRITcAPLIBd2021-12-31l0o510 N77 PRAp3691r2021-12-31 00:00:00w2021-12-31yBK  c3691d3691