Agrahari P Ravi <br/><br/>
Science & Technology For Civil Services Preliminary and Main Examinations 

 - 6ed. 
 - Chennai  Mc Graw Hill  2023 
 - 673P. 
<br/><br/><label>ISBN: </label>9789355322661 
<br/><br/><label>Subjects--Topical Terms: </label><br/>General Knowledge
<br/><br/><label>Dewey Class. No.: </label>600.076 AGR