Economic values of bird watching at Point Pelee National Park, Canada
Butler, James R. |
Butler, James R.
Bird watchers of Point Pelee National Park, Canada : their characteristics and activities, with special consideration to their social and resource impacts
Butler, James R. |
Ecotourism : its changing face and evolving philosophy
Butler, James R. |
Economic values of bird watching at point pelee national park, Canada
Butler, James R. |
Bird watchers of point pelee national park, Canada: their charcteristics and activities, with special consideration to their social and resources impacts
Butler, James R. |
Ecotourism: its changing face and evolving philosophy
Butler, James R. |
Fostering the spiritual and affective (emotional) values of protected areas
Butler, James R. |
Butler, E. |
Perspectives and recommendations on interpretation and education : Amboseli national park, Malindi-Watamu marine national parks, Lake Bogoria national reserve
1980
Butler, James R. |
Arjin Mountains Nature Reserve, Xinjiang, People's Republic of China : management recommendations and resource summary
1986
Achuff, P. |
Butler, James R. |
Johnston, J. |