Barlaman RY, Yono T, Apriliyanto R. Modifying Plastic Balls in Seated Volley Ball Games for the Disabled. GJIK [Internet]. 2026 Jan. 18 [cited 2026 May 20];17(01):45-54. Available from: https://journal.unj.ac.id/unj/index.php/gjik/article/view/64503