00382nam a2200121 a 450000500170000002000150001708200130003210000350004524500900008026000560017030000260022670000080025220251203110039.0  a8171009859  a501bVAI  aVaidya,Narendera and McIntyre,  aHow to think ScientificallybConcepts, Methods, Process and style for New ways of ...  aNew DelhibDeep & Deep Publications Pvt. Ltd.c1998  axiv, 232p.c18 cm. HB  aPat