Gregory,Robert H.
Automatic data-processing systems : Principles and procedures / Principles and procedures Robert H. Gregory,Richard L. Van Horn - San Francisco : Wadsworth, 1961 - 705p.
Includes index
hb
Automatic data-processing systems : Principles and procedures / Principles and procedures Robert H. Gregory,Richard L. Van Horn - San Francisco : Wadsworth, 1961 - 705p.
Includes index
hb