Information and Communication Technologies for Development. Strengthening Southern-Driven Cooperation as a Catalyst for ICT4D 15th IFIP WG 9.4 International Conference on Social Implications of Computers in Developing Countries, ICT4D 2019, Dar es Salaam, Tanzania, May 1-3, 2019, Proceedings, Part I - Nielsen, Petter; Nielsen, Petter; Kimaro, Honest Christopher; Kimaro, Honest Christopher (Springer International Publishing : Imprint: Springer, 2019)