Kumar, Ajay <br/><br/>
CSIR-JRF-NET, Life Sciences, Chemical Sciences, Earth Sciences; General Aptitude:  Theory and Practice/ 
Ajay Kumar, Anand kumar 
 - New Delhi:  Pathfinder Publication,  2018. 
<br/><br/><label>ISBN: </label>9789380473055 
<br/><br/><label>Dewey Class. No.: </label>500 KUM