Systems approach for development :  proceedings of the IFAC Conference, Cairo, Arab Republic of Egypt, 26-29 November 1977 / 
edited by M. A. R. Ghonaimy 
 - Oxford :  Pergamon Press,  1979 
 - 649 p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Underdeveloped areas--Economic conditions--Mathematical models--Congresses