George rajakumar, Puvvada. <br/><br/>
Research methodology  

 - New Delhi  APH publishing corporation   2017 
 - xvi, 169p, 21cm, softbind 
<br/><br/><label>ISBN: </label>9789331320599 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Research methodology