Adeola, Abiodun Morakinyo; Olwoch, Jane Mukarugwiza; Botai, Joel Ongego; Rautenbach, Cornelis Johannes de Wet; Kalumba, Ahmed M.; Tsela, Philemon Lehlohonolo; Adisa, O.M. (Omolola); Nsubuga, Francis Wasswa Nkugwa(Routledge, 2017)
Munthali, Maggie G.; Mng’omba, Simon; Chisale, Harold L.W.; Njoloma, Joyce; Nyoka, Betserai I.; Sato, Gertrude(NISC (Pty) Ltd and Informa UK Limited (trading as Taylor & Francis Group), 2019)