00811nam a2200229 i 450099100436303520753620250120162559.0250120s1971 xxua fr 001 0 eng d0070157804Bibl. Dip.le Aggr. Ingegneria Innovazione - Sez. IngegneriaInnovazioneengSocioculturale Scseng001.642423Davis, Gordon Bitter54792Elementary COBOL programming :a step by step approach /Gordon B. Davis,Charles R. LiteckyNew York :McGraw-Hill,[1971]X, 164 p :ill. ;28 cmCOBOL (Computer program language)Computer programmingLitecky, Charles R.991004363035207536Elementary COBOL programming4309797UNISALENTO