Kothari, B.L. <br/><br/>
Research methodology :  tools and techniques / 
B.L. Kothari. 
 - India :  ABD Publishers,  2007. 
 - 393 p. ;  22 cm. 
<br/><br/><label>ISBN: </label>9788183761130 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Research--Methodology.