Amin S. . 1976. . Unequal Development . , New York : : Monthly Review Press. .
Bisong F. . 1994. . Farming Systems, Human Ecology and Resource Conservation in the Cross River Rain Forest; . Cross River State/ODA, Calabar :
Caldecott J and Morakinyo A B. . 1996. . “‘Nigeria’. ”. In Decentralisation and Biodiversity Conservation . , Edited by: Lutz and Caldecott. . A World Bank Symposium, IBRD. .
Cliffe L. . 1988. . ‘The Conservation Issue in Zimbabwe’. . Review of African Political Economy . , Vol. 42:: 48––59. .
Leach M and Fairhead J. . 1996. . Misreading the African Landscape . , Cambridge : : Cambridge University Press. .
Machlis G E and Tichnell D L. . 1985. . The State of the World's Parks: An International Assessment of Resource Management Policy and Research . , Boulder : : Westview Press. .
Poffenberger M. . 1990. . Keepers of the Forest. Land Management Alternatives in Southeast Asia . , Connecticut : : Kumarian Press. .
Thin N. . March. 1996 . Participatory Forest Management in the Joint Funding Scheme. A Synthesis Study . , (Review Working Paper No. 13). March. , London : : ODA. .