Thelen, Herbert Arnold, 1913-  Thelen, Herbert Arnold, 1913- <br/><br/>
Classroom grouping for teachability 
[by] Herbert A. Thelen, with the assistance of: Henry Peterson [and others] 
 - New York,  Wiley  [1967] 
<br/><br/>Bibliographical references included in "Notes" (p. 41-44). 
<br/><br/><label>LCCN: </label>66028763 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ability grouping in education.<br/>Teacher-student relationship.
<br/><br/><label>LC Class. No.: </label>LB3061  / .T45 
<br/><br/><label>Dewey Class. No.: </label>371.2/55