Gurning, Maylar, Merlis Simong, and Bertha A Bosawer. “Hubungan Tingkat Pengetahuan Lansia Dengan Nyeri Rheumatoid Atritis”. An Idea Health Journal 2, no. 01 (February 18, 2022): 06–09. Accessed March 10, 2025. http://ihj.ideajournal.id/index.php/IHJ/article/view/66.