00962nam--2200337---450-9900003625102033160036251USA010036251(ALEPH)000036251USA01003625120010316d1981----km-y0itay0103----baengUS||||||||001yyUnderstanding computershat managers and users need to knowMyles E. WalshNew YorkJohn Wiley & Sonsc1981XII, 266 p.ill.23 cm2001001-------2001001.642WALSH,Myles E.41304ITsalbcISBD990000362510203316001.642 WAL4988001.64200105788BKSCIPATTY9020010316USA01105720020403USA011644PATRY9020040406USA011625Understanding computers876935UNISA