Abdulhameed Danjuma Mambo
Nile University of Nigeria
Cheikh Mouhamed Fadel Kebe
Ecole Supérieure Polytechnique de Dakar
Ababacar Ndiaye
Université Cheikh Anta Diop de Dakar (UCAD)
Narcisse Talla Tankam
University of Dschang, Cameroon
Assane Gueye
Univerity of Maryland College Park-USA/Universite Alioune Diop, Bambey-Senegal