Explorations in Classroom  Observation 

 - New York:  John Wier,.  1977. 
 - 221p.;  23cm 
<br/><br/><label>ISBN: </label>0 471 99593 2 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Observations<br/>Educational Research
<br/><br/><label>Dewey Class. No.: </label>370.78  / EXP