Simatupang, Nurhayati, Albadi Sinulingga, Indra kasih, Dicky Edwar Daulay, and Samsuddin Siregar. 2024. “Innovative Roller-Based Physical Fitness Training Media for Enhancing Motor Skills in Children With Special Needs”. Edelweiss Applied Science and Technology 8 (6):9307-11. https://doi.org/10.55214/25768484.v8i6.3993.