Hallworth, Herbert J.Strain, Allan2005-07-192005-07-191974Strain, A. (1974). Computer assisted instruction in social arithmetic for the retarded STI (Master's thesis, University of Calgary, Calgary, Canada). Retrieved from https://prism.ucalgary.ca. doi:10.11575/PRISM/1584882480918http://hdl.handle.net/1880/13865Bibliography: p. 63-69.PLix, 81 leaves : ill. ; 30 cm.engUniversity of Calgary graduate students retain copyright ownership and moral rights for their thesis. You may use this material in any way that is permitted by the Copyright Act or through licensing that has been assigned to the document. For uses that are not allowable under copyright legislation or licensing, you are required to seek permission.LB 1028.5 S75 1974 MicroficheComputer - assisted instructionMentally handicapped - EducationAlberta - Calgary. Vocational and Rehabilitation Research Institutemaster thesis10.11575/PRISM/15848