Dilemmas : coping with environmental problems
1992
Bennett, Graham |
Environmental management
National parks and equivalent reserves in five African countries, Botswana, Malawi, South Africa, Tanzania, Zambia - their importance and development
Turner, J. Barry |
Espaces protégés
1979
Management plan Simen Mountains National Park and Surrounding Rural Area
1986
Hurni, Hans |
The environment in Israel
1994
Gabbay, Shoshana |