Interaction through language :  sociolinguistic research, cases and applications / 
edited by Peter Lengyel 
 - USA :  Unesco,  1984. 
 - 192 p. ;  24 cm. 
 - International social science journal,99. .
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<br/><br/><label>Subjects--Topical Terms: </label><br/>Journal.
<br/><br/><label>Dewey Class. No.: </label>305 / I8