O'Grady, William D.Gibbons, Diana Elizabeth2005-07-212005-07-211982Gibbons, D. E. (1982). On the nature and development of graphic competence (Master's thesis, University of Calgary, Calgary, Canada). Retrieved from https://prism.ucalgary.ca. doi:10.11575/PRISM/18189NL Number: 60875http://hdl.handle.net/1880/22453Bibliography: p. 104-110.x, 112 leaves ; 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 1574 G52 1984English language - Orthography and spelling - Study and teachingSpelling, Abilitymaster thesis10.11575/PRISM/18189LB 1574 G52 1984