GRAD, Rafał; KOCHANOWICZ, Kazimierz. The quality of landing in the gymnastic exercises, as seen by coaches in acrobatic gymnastics and tumbling. Journal of Education, Health and Sport, [S. l.], v. 7, n. 6, p. 190–200, 2017. Disponível em: https://apcz.umk.pl/JEHS/article/view/4520. Acesso em: 11 feb. 2026.