Gega, Peter c <br/><br/>
science in elementary education/ 
Peter c.Gega 
 - 18th ed. 
 - Ohio:  Merril,  1998. 
 - xx,668 p. : 
<br/><br/> Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>0136138527 
<br/><br/><label>Subjects--Topical Terms: </label><br/>science
<br/><br/><label>LC Class. No.: </label>LB1585.G4 1998