Svinurai, Walter; Hassen, Abubeker; Tesfamariam, Eyob Habte; Ramoelo, Abel; Cullen, Brendan(NISC (Pty) Ltd and Informa UK Limited (trading as Taylor & Francis Group), 2021)
Blesic, Suzana M.; Du Preez, David Jean; Stratimirovic, Djordje I.; Ajtic, Jelena V.; Ramotsehoa, M. Cynthia; Allen, Martin W.; Wright, Caradee Yael(Elsevier, 2020-03)