T. R. Saragih, W. S. Rahayu, F. H. Andila, and N. Susanti, “DESCRIPTION OF THE LEVEL OF KNOWLEDGE OF THE ELDERLY ABOUT RHEUMATISM IN DALU SEPULUH A VILLAGE, TANJUNG MORAWA DISTRICT”, Hearty, vol. 13, no. 1, pp. 202–207, Feb. 2025.