T. F. McLaughlin, A. Seines, K. M. Derby, and K. P. Weber, “The Effects of Direct Instruction Flashcards on Sight Word Skills ofan Elementary Student with a Specific Learning Disability”, Int J of Adv in Sci Res, vol. 1, no. 3, pp. 167–172, Apr. 2015, doi: 10.7439/ijasr.v1i3.1789.