Harnack, R. Victor <br/><br/>
Group discussion : theory and teachnique 

 - 2nd ed. 
 - Englewood Cliffs, N.J. :  Prentice Hall,  1977 
 - 299 
<br/><br/><label>Subjects--Topical Terms: </label><br/>DISCUSSION
<br/><br/><label>LC Class. No.: </label>LC6515  / H376G 1977