“Meningkatkan Keterampilan Memakai Sepatu Bertali Melalui Model Direct Instruction Pada Anak Disabilitas Intelektual Sedang (Single Subject Research Kelas VIII Di SLB Yappat Lubuk Sikaping)”. Indo-MathEdu Intellectuals Journal 6, no. 4 (July 27, 2025): 6446–6453. Accessed August 12, 2026. https://ejournal.indo-intellectual.id/index.php/imeij/article/view/3819.