Fitting E, McLaughlin TF, Mark Derby K, 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):495-513. Accessed November 12, 2026. https://ijee.org/ijee/article/view/1281