Hamdana, Edison Siringoringo, and Eka Rahayu Nensi. “Effect of Ginger Warm Compresses on Pain Intensity Reduction in Patients With Rheumatoid Arthritis”. Comprehensive Health Care, vol. 2, no. 2, Aug. 2018, pp. 49-57, http://www.beli-pulsa.com/index.php/chc/article/view/244.