Sprague, Michael. <br/><br/>
Visual basic 6 :  introduction to programming with workbook / 
Michael Sprague, Amelia Phillips, Dorothy L. Nield. 
 - Philippine edition. 
 - Singapore :  Cengage Learning Asia Pte Ltd,  2010. 
 - 720 pages :  illustration ;  23 cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>9789814319065 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Basic (Computer program language)<br/>Visual programming (Computer science)