Hallworth, Herbert J.Hansen, Lissi2005-07-192005-07-191973Hansen, L. (1973). Computer-assisted verbal arithmetic problem solving (Master's thesis, University of Calgary, Calgary, Canada). Retrieved from https://prism.ucalgary.ca. doi:10.11575/PRISM/1652782480864http://hdl.handle.net/1880/13799Bibliography: p. 47-51.viii, 78 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 H34 1973 MicroficheComputer-assisted instructionArithmetic - Study and teaching (Primary)master thesis10.11575/PRISM/16527LB 1028.5 H34 1973 Microfiche