Butler, James R.

Economic values of bird watching at Point Pelee National Park, Canada

Bird watchers of Point Pelee National Park, Canada : their characteristics and activities, with special consideration to their social and resource impacts

Ecotourism : its changing face and evolving philosophy

Economic values of bird watching at point pelee national park, Canada

Bird watchers of point pelee national park, Canada: their charcteristics and activities, with special consideration to their social and resources impacts

Ecotourism: its changing face and evolving philosophy

Fostering the spiritual and affective (emotional) values of protected areas

Perspectives and recommendations on interpretation and education : Amboseli national park, Malindi-Watamu marine national parks, Lake Bogoria national reserve

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