"OUS Consulting". BFM Verif (in French). NextInteractive. Retrieved 27 December 2020. "Ousmane Dabo". BFM Business (in French). NextInteractive. Retrieved 27 December 2020.
"OUS Consulting". BFM Verif (in French). NextInteractive. Retrieved 27 December 2020. "Ousmane Dabo". BFM Business (in French). NextInteractive. Retrieved 27 December 2020.