Puntumetakul, R., S. Namwongsa, T. Suvarnnato, S. Wanpen, W. Eungpinichpong, P. Arayawichanon, R. Pithak, N. Piamaln, and N. Yooparit. “Comparison of Immediate Effects Between RT and Shoulder Shrug Exercises in Chronic Mechanical Neck Pain”. Archives of Allied Health Sciences, vol. 28, no. 2, Sept. 2016, pp. 197-06, https://he01.tci-thaijo.org/index.php/ams/article/view/67962.