R. Anggraeni, V. Villayatina, R. Jati, Q. Aeni, and A. Nurwijayanti, “Description of the Characteristics of Barriers to Pain Comfort: Sleep Quality in Elderly with Rheumatoid Arthritis in Kendal Regency”, PICNHS, vol. 4, no. 1, pp. 113-118, May 2023.