Bielikova, Natalia, and Nina Dedeliuk. “Prerequisites for Stretching Use in Physical Education of High School Female Students”. Pedagogy and Psychology of Sport 6, no. 4 (December 31, 2020): 170–174. Accessed July 28, 2024. https://apcz.umk.pl/PPS/article/view/PPS.2020.06.04.016.