Authors: Bouhika Eddie Janvier, Nsompi Florent, Mabounda Kounga Paul Roger, Moussouami Simplice Innocent, Boussana Alain Marc, Moussoki Jean Martin, Mbaïnaïssem Denis, Moukouyou Olivier, Nguimbi Etienne, Elenga Michel, Mananga vital, Itoua Okouango Yvon Simplice, Jean Georges André Moulongo, François MBEMBA.
Authors: Lina Ahmed Hassaballa, Asaad Alsiddig Ahmed.
Authors: Balachandar J.C, Jayachandran M, S. Irshad Ahamed.