PORTER , P . W . <br/><br/>
FOOD AND DEVELOPMENT IN THE SEMI-ARID ZONE OF EAST AFRICA 
PJHILIP W . PORTER. 
 - NEW YORK  FCSA  1979 
 - vi , 107p.:ill.;  pbk 
<br/><br/><label>ISBN: </label>0915984547 
<br/><br/><label>LC Class. No.: </label>S616 .A44 .P67 1979