Il Congresso de Areas Protegidas, II, Fundaçao Calouste Gulbenkian, Lisboa, 4-8 Dezembro de 1989 : comunicaçoes 1989
Conservation and environment in Papua New Guinea : establishing research priorities : proceedings of a symposium held June 3, 1991, Bishop Museum, Honolulu, Hawaii 1991 Pearl, Mary |
People, parks and wildlife : guidelines for public participation in wildlife conservation : case studies from Kenya 1988 Berger, Dhyani J. |
Saving America's countryside : a guide to rural conservation 1989 Stokes, Samuel N. | Watson, A. Elizabeth |