Intergovernmental Conference on Environmetal Education
Intergovernmental Conference on Environmetal Education final report [Text]
Intergovernmental Conference on Environmetal Education
- Paris UNESCO 1978
- 101 p. 30 cm.
Tbilisi (USSR), 14-26 October 1977
Education - Science
370 / INT
Tbilisi (USSR), 14-26 October 1977
Education - Science
370 / INT