Shelly, Gary B. <br/><br/>
RPG II, RPG III and RPG/400 

 - Boston, Mass. :  Boyd & Fraser Pub. Co.,  1990 
 - 595 
<br/><br/><label>Subjects--Topical Terms: </label><br/>RPG (COMPUTER PROGRAM LANGUAGE)
<br/><br/><label>LC Class. No.: </label>QA76.73 .R25  / S56R