00510nam a2200157 a 450000500170000000800410001704100080005808200080006610000180007424500520009226400480014465000220019294200070021499900170022195201140023820260717090941.0260717s1974    ii            000 0 eng d  aeng04a5001 aDubash, P. J.10aScience and scientific methods /cDubash, P. J. 1aBombay :bHimalaya Publishing House,c1974. 4aFoundation course  cBK  c19587d19587  001040708DCaBKBCLbBKBCLd1978-07-25g12.00l0o500 DUBp9325r2026-07-17 09:09:41v12.00w2026-07-17yBK