S. Siska, D. E. . Marisa, E. S. . . Purbaningsih, and N. . Karlina, “Application of Deep Breathing Relaxation Technique in Hypertensive Patients to Reduce Blood Pressure”, Jurnal Ilmiah Penelitian Kesehatan, vol. 4, no. 2A, pp. 59–67, Sep. 2025.