Mishchenko, Natalia, Elena Romanova, Mikhail Kolokoltsev, Victor Kraynik, y Svetlana Sarsenbayeva Kubiyeva. «Fitball As an Effective Means of Strengthening the Physical Health of Preschool Children». Educación Física y Ciencia 23, no. 1 (febrero 1, 2021): e168. Accedido abril 29, 2024. https://efyc.fahce.unlp.edu.ar/article/view/EFyCe168.