Purbaningsih, E. S. ., and J. Akhbar. “The Application of Rubber Ball Grip Therapy to Improve Muscle Strength in Non-Hemorrhagic Stroke Patients in the Stroke Unit of RSD Gunung Jati Cirebon”. INDOGENIUS, vol. 4, no. 2A, Sept. 2025, pp. 97-101, doi:10.56359/igj.v4i2A.724.