Trivedi,S.D. <br/><br/>
Techiniques and operation :Secret services in ancient India. 

 - Ahmedabad   Allied publishers (p) ltd    1984 
 - 291p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social Problems and Social Welfare
<br/><br/><label>Dewey Class. No.: </label>363.2830901 TRI