00458nam a2200145Ia 450000500170000000800410001704100080005808200150006610000320008124500310011326000380014430000090018299900190019195201020021020260720174536.0260720s2005    xx            000 0 und d  aeng  a500.7 SINT  aSingh, Yogish Kumar9267856  aTeachingof general science  aNew DelhibA P H Publishingc2005  a313p  c241934d241934  001040708BEDaALbALd2026-07-20l0o500.7 SINTpBED00326r2026-07-20 17:45:36w2026-07-20yBK