Hamid, A., Wisanti, E., & Ezdha, A. U. A. (2023). Effectiveness Nursing Intervention of Progressive Muscle Relaxation (PMR) on the Fatigue Level of the Older Adults Covid 19 Survivors at Pekanbaru. Jurnal Kesehatan Komunitas (Journal of Community Health), 9(2), 313–319. https://doi.org/10.25311/keskom.Vol9.Iss2.1340