H. . Asyari, S. Rohaedi, M. Marsono, N. I. Hasni, and I. Darmawati, “Effect of Deep Breathing Relaxation and Progressive Muscle Relaxation on Blood Pressure”, jppipa, pendidikan ipa, fisika, biologi, kimia, vol. 10, no. 5, pp. 2565–2571, May 2024.