27 Years Upsc/civil Service Prelims General Studies Topic Wise Solved Papers With Detailed Explanations  :1994-2020 

 - New Delhi  Chronicle Books  2021 
 - 451 Pages 
<br/><br/><label>ISBN: </label>3883252021 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Competitive Exams
<br/><br/><label>Dewey Class. No.: </label>001.2  / P21