Hasanah, Hilmi Maulid Datul, et al. “Enhancing Letter Recognition in Students With Mild Hearing Impairment through Flashcard-Based Phonics: A Single Subject Intervention Study”. Edunesia : Jurnal Ilmiah Pendidikan, vol. 7, no. 3, July 2026, pp. 1651-68, doi:10.51276/edu.v7i3.1747.