Gardener, Mark. <br/><br/>
Beginning R: 

 - New Delhi :  John Wiley & Sons,  2016 
 - xxvii, 475 pages. :  24 cm. 
<br/><br/><label>ISBN: </label>9788126541201 | 1118264126 (eb 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Software Engineering Computer Science