Report of the director general on the activities of the organization in 1977-1978.
- París : UNESCO, 1979.
- liv, 256 p. : il., map., lamns.
Communicated to Member States and the Executive Board in accordance with Article VI.3.b of the Constitution.
9231017381
DO 341.16: 001(047) (100)=20 1977-78 INF.