Istiqomah, Fatichatul, Luluk Sri Agus Prasetyoningsih, Ari Ambarwati, and Sri Wahyuni. “Positive Effects of SIBI Alphabet Cards on Increasing Vocabulary Acquisition in Children With Special Needs Deaf”. AL-ISHLAH: Jurnal Pendidikan 15, no. 3 (October 1, 2023): 3287–3294. Accessed October 13, 2026. https://www.alishlah.ahfpublishing.id/alishlah/article/view/2594.