Problems in Continuing Education/ 
Jerold W. Appps 
 - New york:  McGraw-Hill Book Company,  c1979. 
 - vii,204p.  23x16cm 
<br/><br/><label>ISBN: </label>0-07-002159-7 
<br/><br/><label>Dewey Class. No.: </label>374.973 APP