00446nam a22001697a 450000500170000001000130001702000260003003500130005603700130006908200080008224500590009025000110014926000250016027000530018530000210023870000170025920190709154657.0  aB-728443  a9789384761547c216.00  aB-728443  bRK Books  a000  aLucent's General Knowledge /cby Binay Karna...[et al]  a9th ed  aPatnabLucent c2019  aNew Bypass Road, AshochakbPatnae800030 (Bihar)  a410p.c27cm(pbk)  aKarna, Binay