Neumann, Michael <br/><br/>
Ruby Developer's Guide 
Neumann, Michael 
 -  Syngress Publishing  2002 
 - On-campus e-Book by ebrary under Digital Library Program of Higher Education Commission (HEC) of Pakistan 
<br/><br/><label>ISBN: </label>9780080480763     
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computers & IT