T. M. Karokaro, Kardina Hayati, and Tania Diah Masitah, “THE EFFECT OF FOOT MASSAGE AND PROGRESSIVE MUSCLE RELAXATION ON SLEEP QUALITY IN CONGESTIVE HEART FAILURE (CHF) PATIENTS AT GRANDMED LUBUK PAKAM HOSPITAL”, JKG, vol. 6, no. 1, pp. 128–135, Oct. 2023.