Nuevo manual de la Unesco para la enseñanza de las ciencias 
translated by Alberto E. J. Fesquet and Carlos E.A. Gondell. 
 - Barcelona  Edhasa  1987. 
 - 287 p.  illus., fold. col. map. 
<br/><br/> Translation of : New Unesco source book for science teaching. 
<br/><br/><label>ISBN: </label>8435090140 
<br/><br/><label>LCCN: </label>92000653   
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science--Study and teaching.<br/>Science--Experiments--Juvenile literature.
<br/><br/><label>LC Class. No.: </label>Q182  / .N85 1987 
<br/><br/><label>Dewey Class. No.: </label>507