Hidayat, Nur, Haryani, Aditya Nur Wahyuni, Iif Taufiq El Haque, Iman Masluh Aziz, and Henri Setiawan. “Case Study of Progressive Muscle Relaxation Intervention to Reduce Pain in Appendicitis Patient”. Genius Journal 3, no. 2 (December 2, 2022): 160–165. Accessed December 5, 2024. https://genius.inspira.or.id/index.php/gj/article/view/130.