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2005, Report
M. TIAMIYOU
2005, Ph.D. thesis
N. ZOSSOU
2008, Ph.D. thesis
IER/ECOFIL
2002, Report
O. Sanogo
1998, Report
N. Dembélé and M. Traoré and D. Mariko
1996, Report
B. Sanogo and M. Sidibé and A. Koné
1998, Report
Luxconsult
1998, Report
A. Kergna and K. Dembélé
1998, Report
A. Kergna
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