Trowbridge, Leslie W. <br/><br/>
Becoming a secondary school science teacher / 
Leslie W. Trowbridge, Rodger W. Bybee, Robert B. Sund 
 - 3rd ed. 
 - Columbus :  Charles E. Merrill Publishing Co.,  1981 
 - ix, 348 p. :  ill. ;  28 cm. 
<br/><br/>Includes bibliographical references 
<br/><br/><label>ISBN: </label>0675080304 
<br/><br/><label>LCCN: </label>80-83475 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science--Study and teaching (Secondary)--United States<br/>Science teachers--United States