et. al., K. W. J. . “Effects of Elastic Band Resistance Exercise on Depression, Stress, and Autonomic Balance When Applied to the Elderly for 12 Weeks: Randomized Controlled Trial (RCT)”. Turkish Journal of Computer and Mathematics Education (TURCOMAT), vol. 12, no. 10, Apr. 2021, pp. 904-12, https://turcomat.org/index.php/turkbilmat/article/view/4266.