Programmed computer learning 2 : word perfect 5.0 quattro pro fox base + 2.10 
Harina, Ricardo M. 
 -  National Book Store, Inc.  1993 
 - ix, 302 pages. 
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<br/><br/><label>ISBN: </label>9-71085606-5 
<br/><br/><label>Dewey Class. No.: </label>F 001.642 H22p 1993