M. Fok
2006, Conference proceedings
M. Fok
2006, Conference proceedings
M. Fok
2005, Conference proceedings
M. Fok and S. Tazi
2004, Conference proceedings
A. Ekoué
2002, Conference proceedings
ANOUAN, A.Alexis; BARRY, M.Alimou, GASSAMA, Tiguidanké.
2008, Report
J. IGUE
., Misc
CEDEAO
2004, Technical document
J. Gregory Booth and M. José Protais
2000, Report
Georges Agbachi Ale
2008, Article (sc. journal)