00504nam a2200169 a 450000500170000002000150001708200170003210000220004924500320007126000420010330000210014569000490016696400160021599700130023199900190024495200710026320251203111150.0  a8170004144  a025.431bKAU  aKaushik, Sanjay k  aDDC 22:bpractical approach  aNew DelhibEss Ess Publicationsc2004  a225p.c22cm.cHB  aDeway Decimal Classification-Library Science  bcdefg_  a138440 C  c116268d116268  00104070aPUbPUd2009-03-11g380.00l0o025.431 KAUp138440yBK