เพ็งแป้น ขวัญจิต. 2019. “The Knowledge, Attitude about Exercise and Exercise Behaviors of Nursing Students in Muang District, Ubonratchathani”. Journal of Ratchathani Innovative Health Sciences 2 (2). ๊Ubon Ratchathani, Thailand:12-24. https://he02.tci-thaijo.org/index.php/JRIHS/article/view/213199.