Alexander, William Marvin,  1912- <br/><br/>
Effective teaching in secondary schools / 
William M. Alexander, Paul M. Halverson 
 - New York :  Rinehart and Winston,  1956 
 - 564 p. :  ill. ;  24 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Education, Secondary<br/>Teaching