Keypunching
Hanson, Peggy L
Keypunching Peggy Hanson - 4th ed - Englewood Cliffs, N.J. Prentice-Hall 1984 - 192p. ill. 28cm
Includes index
0135149010
83-15951
Punched card systems
Keypunches
Keypunching Peggy Hanson - 4th ed - Englewood Cliffs, N.J. Prentice-Hall 1984 - 192p. ill. 28cm
Includes index
0135149010
83-15951
Punched card systems
Keypunches
