01237nam--2200385---450-9900003637102033160036371USA010036371(ALEPH)000036371USA01003637120010316d1977----km-y0itay0103----baengUS||||||||001yyElementary structured Cobola step by step approachGordon B.Davis, Margrethe H. Olson, Charles R. LiteckyNew YorkMcGraw-Hill Book Companyc1977VIII, 312 p.ill.,tab., graf.28 cmEd. precedente col tit.: Elementary Cobol programming2001001-------2001001.6424DAVIS,Gordon Bitter54792OLSON,Margrethe H.543715LITECKY,Charles R.543716ITsalbcISBD990000363710203316001.642 4 DAV20369001.642400105844BKSCIPATTY9020010316USA011429PATTY9020010320USA01143120020403USA011644PATRY9020040406USA011625Elementary structured Cobol877058UNISA