Soccer as training and development tool in children participating in sports schools. Journal on studies and research of academic knowledge, Itapúa, PY, n. 16, p. e2022012, 2022. DOI: 10.70833/rseisa16item232. Disponível em: https://revistas.uni.edu.py/index.php/rseisa/article/view/232. Acesso em: 21 oct. 2025.