Kołodyńska, Gabriela, and Adrian Sieroń. “Evaluation of the Effectiveness of Physical Exercises Using the Action of Infrared Rays”. Journal of Education, Health and Sport 9, no. 7 (July 28, 2019): 620–625. Accessed February 6, 2026. https://apcz.umk.pl/JEHS/article/view/7180.