Byabasaya sangathan parichay 
By P.K. Gohain 
 - 1st ed. 
 - Guwahati:  Baruah agency,  1991. 
 - x,156p. 
<br/><br/><label>Subjects--Index Terms: </label>Production Byabasaya sangathan parichay 
<br/><br/><label>Dewey Class. No.: </label>338.7