Hidayat, N., Haryani, Wahyuni, A. N., Taufiq El Haque, I., Masluh Aziz, I., & Setiawan, H. (2022). Case Study of Progressive Muscle Relaxation Intervention to Reduce Pain in Appendicitis Patient. Genius Journal, 3(2), 160–165. https://doi.org/10.56359/gj.v3i2.130