Found 4 results for your keywords: author="Gregory, Robert H."

Business data processing & programming Robert H. Gregory and Richard L. Van Horn

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(Gregory, Robert H.) (VanHorn, Richard L.)

Automatic data-processing systems : principles and procedures by Robert H. Gregory and Richard L.…

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(Gregory, Robert H.) (Horn, Richard L. van)

Automatic data-processing systems; principles and procedurs Robert H. Gregory, Richard L. Van Horn

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(Gregory, Robert H.) (Van Horn, Richard L.)

Automatic data-processing systems principles and procedures by Robert H. Gregory [and] Richard L.…

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(Gregory, Robert H.) (Van Horn, Richard L.)