Authors: Warigbani Pieterson, Edem Anyigba, Michael Kwapong-Nyarko, Mildred Nakazwe, Richfield Akpaka.
Authors: Julian Ungar-Sargon.
Authors: Celestin Julls Apouakone, Zephanie Folkabo Kobe, Nesrine Gouda, Pirsou, Marcel Mbarga, Mohamed Peyou, Amina Mountoumjou, David Kuiate, Euloge Mfopou Yiagnigni, Ulrich Bidossèssi Vodouhe, Amadou Njifou Njimah,Louis Richard Njock.
Authors: Razan Bashir Osman Abdalhadi, Mishkat Abalazeem Abdo Alryah, Malaz Murtada Mustafa Ahmed, Mowda Mhjoub Ali Mohmmed, Ali Hafeez, Emad Aldin Ibrahim Osman.