Trojcak, Doris A. <br/><br/>
Science with children 
Doris A Trojcak. 
 - New York  McGraw-Hill  c1979. 
 - xiii, 321 p.  ill.  25 cm. 
<br/><br/>Includes bibliographies and index. 
<br/><br/><label>ISBN: </label>0070652171 
<br/><br/><label>LCCN: </label>78025949  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science--Study and teaching (Elementary)
<br/><br/><label>LC Class. No.: </label>LB1585  / .T76 
<br/><br/><label>Dewey Class. No.: </label>372.3/5/044