Wojtkowski, W. Gregory. <br/><br/>
Applications software programming with fourth-generation languages / 
W. Gregory Wojtkowski and Wita Wojtkowski. 
 - Boston :  body & fraser publishing co.,  c1990. 
 - xxiv, 598 pages :  illustrations ;  24 cm. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>0878353380 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Programming languages (Electronic computers).
<br/><br/><label>Dewey Class. No.: </label>005.133 WOJ