AGRAHARI (Ravi P) <br/><br/>
Science and technology: for civil service preliminary and main examinations 

 - Chennai  McGraw Hill Education (India) Private Limited  2021 
 - xxii,693  PB 
<br/><br/><label>ISBN: </label>978-93-90113-06-4 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Technology<br/>Technology
<br/><br/><label>Dewey Class. No.: </label>600.076 AGRS