Dewi, E., Nisa, N. Q., Nurmahdianingrum, S. D., & Triyono, T. (2022). Progressive Muscle Relaxation as an Effort in Reducing Anxiety for Patients with Asthma Attacks. Jurnal Berita Ilmu Keperawatan, 15(2), 185–189. https://doi.org/10.23917/bik.v15i2.18185