Na Wichian, S., J. . Klaphajone, and D. . Phrompayak. “Effects of Music Embedded With Binaural and Superimposed Beats Controlling Hypertension in Older Adults: A Quasi Experimental Study”. Pacific Rim International Journal of Nursing Research, vol. 25, no. 3, June 2021, pp. 345-58, https://he02.tci-thaijo.org/index.php/PRIJNR/article/view/240945.