Vinay, G B  <br/><br/>
Science and technology question bank   For civil services preliminary examination  
G B Vinay 
 - Tamilnadu, India   McGraw Hill Education Private Limited   2019 
 - 328 p; 
<br/><br/><label>ISBN: </label>9789353165444 
<br/><br/><label>LCCN: </label>` 
<br/><br/><label>Subjects--Topical Terms: </label>--Education, research, related topics
<br/><br/><label>Dewey Class. No.: </label>507.6