General studies  ACS/ APS/ main examination 2018-19 

 - 9th ed. 
 - Guwahati:  New Assam Academic Centre,  2017. 
 - 552p. 
<br/><br/><label>Subjects--Index Terms: </label>General encyclopedic works General knowledge 
<br/><br/><label>Dewey Class. No.: </label>030