Fitting E, McLaughlin TF, Derby KM, Blecher J. THE EFFECTS OF DI FLASHCARDS WITH A DI DISCRIMINATION AND MATCH TO SAMPLE ON LETTER IDENTIFICATION FOR FOUR PRESCHOOL STUDENTS WITH DOCUMENTED DEVELOPMENTAL DELAYS. IJEE. 2013;2(2):499-612. Accessed November 12, 2026. https://ijee.org/ijee/article/view/1340