Agrahari, Ravi P <br/><br/>
Science and technology : for civil services preliminary and main examinations 

 - 7th ed 
 - Chennai  McGraw Hill Education  2024 
 - xii,611  pbk 
<br/><br/>
<br/><br/><label>ISBN: </label>9789355325556 
<br/><br/><label>Subjects--Topical Terms: </label><br/>General Books (interdisciplinary) (Competitive exam books)
<br/><br/><label>Subjects--Facted Index Terms: </label><br/>Science <br/>Technology<br/>Space technology<br/>Defence technology