Klaikham, T., C. Yusamran, N. Thananowan, and W. Phahuwatanakorn. “Effects of Massage and Hot Compress on Labor Pain and Pain Coping Behavior in Primigravidas”. Nursing Science Journal of Thailand, vol. 31, no. 4, Dec. 2014, pp. 38-47, https://he02.tci-thaijo.org/index.php/ns/article/view/26518.