Noviana, M., & Nilamsari, D. (2021). The Effect Of Physio Ball Exercise On Sitting Balance In Children With Spastic Cerebral Palsy: The Effect Of Physio Ball Exercise On Sitting Balance In Children With Spastic Cerebral Palsy. Jurnal Fisioterapi Indonesia, 1(1). Diambil dari https://www.jurnalfisioindonesia.com.119-235-255-155.cpanel.site/jfi/index.php/jfti/article/view/6