Grolier student encyclopedia : scientist - Tanzania 

 - Danbury, Connecticut  Grolier Incorporated  2004 
 - Various pages 
 -  Vol.15 .
<br/><br/><label>ISBN: </label>717258653 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Children's encyclopedias and dictionaries. Encyclopedias and dictionaries.
<br/><br/><label>Dewey Class. No.: </label>Ref. 031 G894 2004 Vol.15