Blough, Glenn O. <br/><br/>
Elementary school science and how to teach it 
Glenn O. Blough  
 - 8th ed. 
 - Fort Worth:  Harcout Brace Jovanovish College,  1992. 
 -  xxi, 664p. 
<br/><br/> HB 
<br/><br/><br/>Eng 
<br/><br/><label>ISBN: </label>0030313120 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science-Study and teaching (elementary)-United States
<br/><br/><label>Dewey Class. No.: </label>372.35044  / BLE