Openphone User Engagement and Requirements Solicitation in Low Literacy Users. - Tembalethu Jama Ndwe; Etienne Barnard; Mqhele E. Dlodlo; Daniel J. Mashao; Christiaan Kuun; Aditi Sharma Grover (HCIS, 2008)

Usability Engineering of an Interactive Voice Response System in a Diverse-Cultured and Multilingual Setting. - Tembalethu Jama Ndwe; Mqhele E. Dlodlo; Daniel J. Mashao (Innovative Techniques in Instruction Technology, E-learning, E-assessment, and Education, 2008)

Efficiency measurements in IVR systems for oral users: consequences of differences in educational levels. - Tembalethu Jama Ndwe; Etienne Barnard; Renee Koen; Bryan McAlister (SAICSIT, 2011)

Effects of application type on the choice of interaction modality in IVR systems. - Tembalethu Jama Ndwe; Etienne Barnard; Mqhele E. Dlodlo (SAICSIT, 2012)

Consequences of deploying culturally inclined earcons in speech technology design for oral users in South Africa. - Tembalethu Jama Ndwe; Etienne Barnard (ACM DEV (3), 2013)