Esler, K. W. <br/><br/>
Teaching elementary science 
K. W. Esler & K. M. Esler 
 - 5th 
 - California  Wadsworth, Inc.  1989 
 - xii, 546p.;  Hbk. 
<br/><br/><label>ISBN: </label>0534095283 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science- study and teaching (elementary)