Bastiana, Yefta Daniel, Angela BM Tulaar, Surjanto Hartono, and Zuljasri Albar. “Effect of Range of Motion and Isometric Strengthening Exercises on Grip Strength and Hand Function in Rheumatoid Arthritis Patients”. Universa Medicina 27, no. 4 (December 26, 2008): 157–164. Accessed April 27, 2024. https://univmed.org/ejurnal/index.php/medicina/article/view/285.