00289nam a22001217a 4500020001800000082001300018100002200031245002600053260003800079300000800117650002000125700002200145  a9789350144503  a651.8SAE  aSaeed, Hasan Syed  aBasic System Analysis  aNew DelhibKataria ans sonsc2013  a261  aSystem Analysis  aKhan, Faizan Arif