00433nam a22001337a 4500 651.26 HET L-11, P-70 Hein, Leonard W. 44475 An introduction to electronic data processing for business Hein, Leonard W. London, New york D. van nostrand company 1961 xiv, 320 p. ill. 22 cm 0 0 0 651_260000000000000_HET MCE 379 ddc BK 548255 548255 0 0 ddc 0 0 MCE MCE 2014-08-25 0 651.26 HET MCE-2368 2014-08-25 2014-08-25 BK