General Science for civil services preliminary  examination/ 
Majid,S.A. 
 - 1st.ed. 
 - Delhi:  Upscportal pub.,  2011. 
 - 285 
<br/><br/><label>ISBN: </label>9789381362327 
<br/><br/><label>Dewey Class. No.: </label>351.076  / MAJ G