Gupta's R. <br/><br/>
Popular Master Guide IFS (Indian Forest Service) Main Examination Physics Paper 1 and 2 

 - New Delhi  Ramesh Publishing House  2018 
 - 416 
<br/><br/><br/>ENGLISH 
<br/><br/><label>ISBN: </label>81-7812-939-6 
<br/><br/><label>Dewey Class. No.: </label>153.9453  / GUP