M.T. Haoua, M.Y. Poutougnigni, T.C. Keambou, and Y. Manjeli. “Morphobiometrical Diversity of the Indigenous chicken’s Population in the Sudano-Sahelian Zone of Cameroon”. Scientific Journal of Animal Science, vol. 4, no. 11, Nov. 2015, pp. 133-54, http://sjournals.com/index.php/sjas/article/view/228.