Business data processing : an introduction / [by] Gershon J. Wheeler and Donlan F. Jones. Wheeler, Gershon J. Jones, Donlan F., joint author. Electronic data processing. HF5548.2 .W45 651.26 WHB Includes bibliographies. Reading, Mass. : Addison-Wesley Pub. Co. 1966. 1966. 1966 Text vii, 152 p. : eng