UNESCO'S activities in science and technology in the European and North American Region.
UNESCO'S activities in science and technology in the European and North American Region.
- Paris : UNESCO, 1979.
- 49 p.
- Science policy studies and documents; 45 .
9231017276
341.16: 001: 3 (4) =20 ACT No.45.
9231017276
341.16: 001: 3 (4) =20 ACT No.45.