Tourism--passport to development? : Perspectives on the social and cultural effects of tourism in developing countries /

[New York] : Published for the World Bank and Unesco [by] Oxford University Press, 1979

Lagos Conference : selected documents.

[Paris] : [United Nations Educational, Scientific and Cultural Organization], 1965

Health education in primary schools. : Research in comparative education study.

Geneva : Paris : International Bureau of Education ; Unesco, 1967