Olapegba, P.O.Oyewunmi, A2018-10-092018-10-092012978-3-941055-14-87th International conference on ict for development, education and trainingui_inpro_olapegba_deployment_2012http://ir.library.ui.edu.ng/handle/123456789/1420IN-PROCEEDINGSenDeployment, Effectiveness and Barriers to the Usage of Assistive Devices among Hearing Impaired ChildrenOther