(en) Cornelius Mbifung Lambi et Emmanuel Neba Ndenecho, Ecology and Natural Resource Development in the Western Highlands of Cameroon. Issues in Natural Resource Management: Issues in Natural Resource Management, African Books Collective, (ISBN978-9956-615-48-3, lire en ligne).
(en) Giuseppe Topa, Alain Karsenty, Carole Megevand et Laurent Debroux, The Rain Forests of Cameroon: Experience and Evidence from a Decade of Reform, World Bank Publications, (ISBN978-0-8213-7937-0, lire en ligne)
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(en) Chris Wild, Bethan J. Morgan et Alan Dixson, « Conservation of Drill Populations in Bakossiland, Cameroon: Historical Trends and Current Status », International Journal of Primatology, vol. 26, no 4, , p. 759–773 (ISSN1573-8604, DOI10.1007/s10764-005-5307-5, lire en ligne, consulté le ).
doi.org
(en) Chris Wild, Bethan J. Morgan et Alan Dixson, « Conservation of Drill Populations in Bakossiland, Cameroon: Historical Trends and Current Status », International Journal of Primatology, vol. 26, no 4, , p. 759–773 (ISSN1573-8604, DOI10.1007/s10764-005-5307-5, lire en ligne, consulté le ).
issn.org
portal.issn.org
(en) Chris Wild, Bethan J. Morgan et Alan Dixson, « Conservation of Drill Populations in Bakossiland, Cameroon: Historical Trends and Current Status », International Journal of Primatology, vol. 26, no 4, , p. 759–773 (ISSN1573-8604, DOI10.1007/s10764-005-5307-5, lire en ligne, consulté le ).
