KOUHOUNDJI Naboua
2017, Ph.D. thesis
KORIKO Moursalou
2010, Ph.D. thesis
Mbétid-Bessane E.
2002, Ph.D. thesis
Djondang, Koye
2003, Ph.D. thesis
M. TIAMIYOU
2005, Ph.D. thesis
KADEKOY-TIGAGUE, David
2010, Ph.D. thesis
T. Ollivier and M. Ali and F. Tarla
2010, Ph.D. thesis
Keïta,Manda.Sadio
1997, Ph.D. thesis
I. Cissé
1992, Ph.D. thesis
ABOH Boya André
2008, Ph.D. thesis