Export potentiality of selected industrial minerals 
/ Controller of Publications  
 - Controller of Publications, 
 - 100p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Management
<br/><br/><label>Subjects--Index Terms: </label>Minerals 
<br/><br/><label>Universal Decimal Class. No.: </label>661.183.5