Easily applied principles of keypunching
Payne, Eleanor A.
Easily applied principles of keypunching - Englewood Cliffs Prentice-Hall 1970 - vii,208p. 31cm.
Punched card systems
FCM HF5548.P34
Easily applied principles of keypunching - Englewood Cliffs Prentice-Hall 1970 - vii,208p. 31cm.
Punched card systems
FCM HF5548.P34