ชัชวรัตน์ ลัชชี, ลาศุขะ ดวงฤดี, and คำผลศิริ ทศพร. “Effects of Nordic Walking Exercise on Body Mass Index and Waist Circumference Among Overweight Older Persons”. Nursing Journal CMU 46 (December 27, 2019): 1–12. Accessed April 29, 2024. https://he02.tci-thaijo.org/index.php/cmunursing/article/view/232200.