Research into classroom processes :  recent developments and next steps / 
Ian Westbury & Arno A. Bellack, editors 
 - Columbia University, New York :  Teachers College Press,  1971. 
 - x, 279 p. ;  24 cm. 
 - Theory and research in teaching .
<br/><br/>Bibliography: p. 259-274. 
<br/><br/><label>LCCN: </label>70-0170131 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Education--Research<br/>Teaching<br/>Interaction analysis in education