Eccles, Renata; Van der Linde, Jeannie; Le Roux, Maria (Mia); Holloway, Jenny; MacCutcheon, Douglas; Ljung, Robert; Swanepoel, De Wet(American Speech-Language-Hearing Association, 2021-01)
Jones, Gail; Van der Merwe, Anita; Van der Linde, Jeannie; Le Roux, Maria (Mia)(NISC (Pty) Ltd and Informa UK Limited (trading as Taylor & Francis Group), 2018-06)