The feasibility of implementing community-based care for moderately mentally retarded persons in a specific centre in Port Elizabeth(South Africa). Unpublished Doctoral dissertation
Effects of in vivo versus simulation-plus-in vivo training on the acquisition and generalization of gracer item selection by high school students with severe handicaps
A comparative evaluation of modeling, problem-solving, and behavior rehearsal for teaching employment-related interpersonal skills to secondary students with mental retardation