Romadona DA, Lutfiyah, Panglipur IR. Application of “Division Counting Machine” Media for Deaf Students in Division Operation Material. JELMaR [Internet]. 2024 May 16 [cited 2026 Aug. 25];5(1):76-84. Available from: https://jelmar.wisnuwardhana.ac.id/index.php/jelmar/article/view/176