Thomas, D. <br/><br/>
Programming Ruby-Programatic Programmers's guide 

 - 1st ed. 
 - USA  Programatic bookshelf  2005 
 - xvi, 784p.  Paperback  23cm 
<br/><br/><label>ISBN: </label>9780974514055 
<br/><br/><label>Dewey Class. No.: </label>005.133