Lansana Keita; Samir Amin, Wilfred L. David, Souleymane Bachir Diagne, Lewis R. Gordon, Paulin Hountondji, Messay Kebede, Francis B. Nyamnjoh, Sanya Osha, Kwesi Kwaa Prah, Godfrey B. Tangwa, Jean-Pierre Ymele, Eiman Osman Zein-Elabdin, publication system