The Effect of Elderly Hadrah Gymnastics on Muscle Strength  and Scope of Motion of Lower Extremity Joints in Elderly with  Osteoarthritis (Martapura River Region, South Kalimantan), Ilmi, Bahrul,, Rizani Akhmad,, Mallongi Anwar, and Palutturi Sukri , Pharmacognosy Journal, December 2023, Volume 15, Issue 6, p.1126-1131, (2023)