00274nam a22000977a 4500082001100000100002400011245004400035260004400079300002800123650002500151  a954.91  aSafder Mehmood, Dr.  aPakistan Kyon Tota?cDr. Safder Mehmood  aLahore, PakistanbJang Publishersc1993  a303 Pagesb22x14 cmbHB  aPakistanaBangladesh