Ball, Derek. <br/><br/>
Official powerbuilder 6:  advanced tools for the enterprise. - 2nd ed. ,/ 
Derek Ball 
 - 2nd ed. ,/ 
 - New Delhi:  Comdex computer publishing,  1998. 
 - 812p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Internet.<br/>Powerbuilder.