Langley, Rita <br/><br/>
Teaching elementary science :  the teacher's guide to effective classroom activities / 
Rita Langley 
 - West Nyack, N.Y. :  Parker Pub. Co.,  1968 
 - viii, 276 p. :  ill ;  24 cm. 
<br/><br/>Includes bibliographies 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science--Study and teaching (Elementary)
<br/><br/><label>Dewey Class. No.: </label>372.3