Panigrahi, S., 'The use of sweet potato tuber and cassava root meals for poultry production: adaptive research on cereal-free ration development and transfer to small-scale farmers in the Western Highlands of Cameroon. Final Technical Report Part 4: Appendices. Natural Resources Institute (NRI), University of Greenwich, UK', 1997
Shiferaw Gobena. (25/8/2020). Understanding and managing bacterial wilt and late blight of potato in Ethiopia: combining an innovation systems approach and a collective action perspective
Mariem Rouatbi. (31/12/2018). Les interactions entre les parasites (Toxoplasma gondii et Haemonchus contortus) et la fonction de reproduction chez les ovins