David, M., Ongus, R., Gitonga, M. and Alfred, M. (2018) “USER INTERFACE DESIGN AND INFORMATION SYSTEMS USAGE: A CASE STUDY OF TVET INFORMATION SYSTEM AT IPRC KIGALI ”, International Journal of Engineering Technologies and Management Research, 5(1), pp. 59–80. doi: 10.29121/ijetmr.v5.i1.2018.46.