Connor-Boyle, S., Harvey, M. N., Neyman, J., & T. F. McLaughlin, T. F. M. (2016). The Differential Effects of the DI Flashcard Procedure on Multiplication Facts with a 13-Year-Old Middle School Student with Learning Disabilities. International Journal of English and Education, 5(1), 268-277. https://ijee.org/ijee/article/view/607