ICT Education 47th Annual Conference of the Southern African Computer Lecturers' Association, SACLA 2018, Gordon's Bay, South Africa, June 18-20, 2018, Revised Selected Papers - Kabanda, Salah; Kabanda, Salah; Suleman, Hussein; Suleman, Hussein; Gruner, Stefan; Gruner, Stefan (Springer International Publishing : Imprint: Springer, 2019)