Earth science :  self-learning modules 

 - vii, 296 pages :   illustrations ;  28 cm 
<br/><br/><label>ISBN: </label>9789719819196 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Earth science--Textbooks
<br/><br/><label>Dewey Class. No.: </label>550