1.
Yunita Mandasari, Gita Nurgaya Br Tarigan. Fifth Graders’ Knowledge of the Backward Roll at Pertiwi Private Elementary School, Medan. MJPES [Internet]. 2026Jul.30 [cited 2026Oct.19];8(3):1453-60. Available from: https://ejournal.unmus.ac.id/index.php/physical/article/view/8075