Kyoung-Beom Kim, Min-Hee Heo, Young Dae Kwon, Jong-Hwa Jang, Jin-Won Noh. “Factors Associated With Perceived Stress: Focused on Daily Walking and Access to Exercise Facilities”. Annals of the Romanian Society for Cell Biology (January 31, 2021): 1531–1541. Accessed March 29, 2024. http://annalsofrscb.ro/index.php/journal/article/view/268.