Sachitra Vijyan Viswakosh:   prathvi,aakash,khanij/ 
by Balakrishnan (ed.) 
 - New Delhi:  Rajpal,  1998. 
 - 96p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Encyclopaedia<br/>General Studies
<br/><br/><label>Dewey Class. No.: </label>030  / BAL/S