Istiqomah, F., Prasetyoningsih, L. S. A., Ambarwati, A., & Wahyuni, S. (2023). Positive Effects of SIBI Alphabet Cards on Increasing Vocabulary Acquisition in Children with Special Needs Deaf. AL-ISHLAH: Jurnal Pendidikan, 15(3), 3287–3294. https://doi.org/10.35445/alishlah.v15i3.2594