https://commons.ru.ac.za/vital/access/manager/Index en-us 5 Mobile phones interaction techniques for second economy people https://commons.ru.ac.za/vital/access/manager/Repository/vital:11392 Thu 13 May 2021 07:24:29 SAST ]]> Dynamic adaptive cost model for wireless Internet connectivity in African rural communities https://commons.ru.ac.za/vital/access/manager/Repository/vital:11389 Thu 13 May 2021 01:46:47 SAST ]]>