NATH A D <br/><br/>
MAHARASHTRA LOKSEVA AIYOG PRIKSHA M.P.S.C. SAMANYA ADHYAN- 1 

 - 3 . Ed. 
 - NAGPUR  NATH PUB  2002 
 - 342p. 
 - UNIVERSAL BOOK STOLL, PUNE, B-221/2005 .