A. HOUNKPATIN
2006, Report
U. UEMOA
2005, Report
D. KUNZLER and Z. TASSOU
2004, Report
J. IGUE and B. SOULE
, Report
B. SOULE and C. Obi
, Report
2000, Report
G. VIGNON
1998, Report
B. SOULE and A. AFOUDA and Z. TASSOU
2004, Report
B. SOULE
1995, Report
M. Ibro
2003, Report