Nuwanyakpa M, Lukefahr S D, Gudahl D and Ngoupayou J D 1997:
The current stage and future prospects of guinea pig production under smallholder conditions in West Africa; 2. Cameroon case.
Livestock Research for Rural Development. Volume 9, Article #43.
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, from http://www.lrrd.org/lrrd9/5/gp952.htm