Essien, Udo Ekanem <br/><br/>
Contrastive analysis :  principles and further considerations / 
Udo Ekanem Essien 
 - 1 microfilm reel :  positive ;  35 mm. 
<br/><br/>Thesis (Ph.D.) - Georgetown University, 1978. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Contrastive linguistics.