Putri, B. A. and Zulmiyetri, Z. (2024) “Improve the Ability to Recognize Vowal Letters through the Media Sand Paper Letter Modification in Deaf Children”, Edumaspul: Jurnal Pendidikan, 8(1). Available at: https://jurnal.unimen.cloud/index.php/maspuljr/article/view/7864 (Accessed: 5April2026).