NESEN, O. Development of speed and strength abilities of children aged 12-13 years in physical education classes in the COVID-19 pandemic. Pedagogy of Health, Kharkiv, Ukraine, v. 1, n. 1, p. 4–10, 2022. DOI: 10.15561/health.2022.0101. Disponível em: https://www.healtheduj.com/index.php/ph/article/view/1. Acesso em: 7 jul. 2026.