UNESCO field science for Africa bulletin. 

 - Nairobi :    UNESCO Regional Centre for Science and Technology for A frica,    1966- 
 - v. :    ill. ;    27 cm. 
 - Quarterly    1966-1983 
 - March, 1966 
<br/><br/><label>Dewey Class. No.: </label>PER 506.11 U6