00252nam a22001097a 4500020001800000082001600018100001900034245002400053260003500077300000900112700002100121  a9788121930710  a519.4 RAN/N  aRanganatham, S  a Numerical analysis  aDelhibS Chand & Companyc2016  a518p  aPrasd, M V S S N