Business data processing/

Eitemau Tebyg

• Business systems with punched card data processing and system/3 Model 10 /
  gan: 200273 Crawford, F. Robert
  Cyhoeddwyd: (1973)
• Punched card data processing
  gan: 336701 Levy, Joseph
  Cyhoeddwyd: (1967)
• Practice lessons for keypunching /
  gan: 371221 Payne, Eleanor A., et al.
  Cyhoeddwyd: (1971)
• A handbook of modern keypunch operation/
  gan: 208908 Keys, William J., et al.
  Cyhoeddwyd: (1970)
• Key punching
  gan: 403925 Hanson, Peggy L.
  Cyhoeddwyd: (1977)