Morley, Joan. <br/><br/>
Improving aural comprehension :  student's workbook. 

 - Ann Arbor :  University of Michigan Press,  1972. 
 - xi, 208 p. 
<br/><br/> "Under the auspices of the English Language Institute at the University of Michigan." 
<br/><br/><label>ISBN: </label>0472086650 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Listening--Study and teaching.