00393nam a22001697a 4500020001800000082001600018100001600034245001300050250001200063260002500075300001300100500004300113654001700156700001600173700001800189700001600207  a9789386310569  a610.76bSEL  aSelvaraj, P  aTriple O  a1st ed.  aNew DelhibCBSc2017  a1-746 p.  aComplimentary copy from CBS Publishers  aP G Entrance  aSelvaraj, P  aLoganathan, M  aVikram, V J