Sornpala F, Sucamvang K, Chintanawat R. The Effects of Nordic Walking Exercise on Physical Fitness Among Older Persons. Nursing Journal CMU [internet]. 2023 Mar. 31 [cited 2026 Sep. 11];50(1):244-55. available from: https://he02.tci-thaijo.org/index.php/cmunursing/article/view/262170