Vessel, Matthew F. <br/><br/>
Las ciencias en la escuela primaria 
Mattew F. Vessel. 
 - Buenos Aires  Ediciones Troquel  1968. 
 - 156 p. 
 - Biblioteca de la nueva educación .
<br/><br/> Translation of : Elementary school science teaching. 
<br/><br/>Bibliography : p. [147]-150. 
<br/><br/><label>LCCN: </label>fel36002609 /L/r93 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science--Study and teaching (Elementary)
<br/><br/><label>LC Class. No.: </label>Q181  / .V45 
<br/><br/><label>Dewey Class. No.: </label>372.35