Pous, Dinorah <br/><br/>
Blue planet :  English through science / 
Dinorah Pous 
 - 6 volumes :  illustrations ;  27 cm 
<br/><br/> Primary 
<br/><br/><label>ISBN: </label>9701042271 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Readers--Science<br/>Science--Problems, exercises, etc.<br/>English language--Study and teaching
<br/><br/><label>Dewey Class. No.: </label>507