Greene, F. P. “SYSTEMATIC READING INSTRUCTION (Authors: Gerald G. Duffy and George B. Sherman) and DIAGNOSTIC READING INSTRUCTION IN THE ELEMENTARY SCHOOL (Author: Frank J. Guszak)”. McGill Journal of Education / Revue Des Sciences De l’éducation De McGill, vol. 8, no. 002, Sept. 1973, https://mje.mcgill.ca/article/view/6926.