Y. ADOUM
2010, Report
A. LAMBERT and J. EGG and F. GALTIER
1996, Report
J. COSTE
1996, Report
BARRY, M.Alimou ; KONE, Abdoulaye ; OUEDRAOGO, W.K.Raïssa and BAMBARA, I.G.Marina.
2011, Report
NGUEKO RAOUL BRUNO and NAPI KAMAHA JULIEN OMER
2004, Report
J. Gregory Booth and M. José Protais
2000, Report
ORGANISATION DES NATIONS UNIES POUR L'ALIMENTATION ET L'AGRICULTURE (FAO)
2011, Report
KADEKOY-TIGAGUE D., FOLEFACK D.P., et DJONDANG K.
2006, Report
KADEKOY-TIGAGUE David, FOLEFACK Denis, DJONDANG Koye
2006, Report
Michel FOK, Gian Nicolai, Matthias Meyer, Oumarou Balarabé and Romain Calaque
2020, Report