Rapport de la mission WWF/UICN : Repoblika Demokratika Malagasy 1981 Hoffmann, Lukas | Petter, Jean-Jacques | Portas, Pierre |
The dugong, Dugong dugon (Muller 1776), in Papua New Guinea : a programme for conservation, management and public education 1976
International course for teacher training in environmental conservation and education, Rhyd-y-Creuau, The Drapers Field Centre, Betws-y-Coed Caernarvonshire, North Wales, United Kingdom, 2-12 August 1972 : final report 1972
Final report : International Working Meeting on Environmental Education in the School Curriculum 1970
A public awareness programme for environmental protection : report on a visit by IUCN education consultant, 15-25 April 1983 1983 Boulton, Mark |