Sari, Nilam, and Kasiyati Kasiyati. “Improve Sewing Skills Vocationally through Zipper Media Video Tutorials for Deaf Children”. EDUCATIO : Journal of Education 5, no. 1 (May 30, 2019): 107-115. Accessed June 15, 2026. http://ejournal.staimnglawak.ac.id/index.php/educatio/article/view/190.