Columbia subject headings:
Agriculture--Economic aspects--Ethiopia--Congresses.
Ethiopia--Economic conditions--1974---Congresses.
Ethiopia--Economic policy--Congresses.
Harvard subject headings:
Agriculture--Economic aspects--Ethiopia--Congresses.
Agriculture--Social aspects--Ethiopia--Congresses.
Ethiopia--Economic conditions--1974---Congresses.
Ethiopia--Economic policy--Congresses.
Ethiopia--Social conditions--1974---Congresses.
Migration, Internal--Ethiopia--Congresses.
Princeton subject headings: