Haussmann, N.S. (Natalie); Louw, Michelle Anne; Lewis, Simone; Nicol, Keegan J.H.; Van der Merwe, Stephni; Le Roux, Peter Christiaan(Elsevier, 2018-08)
Kalumba, Ahmed M.; Olwoch, Jane Mukarugwiza; Van Aardt, I.; Adeola, Abiodun Morakinyo; Malahlela, Oupa E.; Nsubuga, Francis Wasswa Nkugwa(Integrated Publishing Association, 2018)