Ivany, J. W. George  1938- <br/><br/>
Today's science :  a professional approach to teaching elementary school science / 
J. W. George Ivany. 
 - Chicago:   Science Research Associates,   1975.  
 - 341 p. :  ill. ;  24 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0574196005 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science--Study and teaching (Elementary)
<br/><br/><label>Dewey Class. No.: </label>372.35044