Kurniawan D, Yono T. MODIFICATION OF PLASTIC BALL LEARNING MEDIA TO IMPROVE LEARNING OUTCOMES OF KASTI BALL. GJIK [Internet]. 2026 Jan. 13 [cited 2026 May 20];17(01):29-36. Available from: https://journal.unj.ac.id/unj/index.php/gjik/article/view/54241