Pricop, A., O. Florescu, R. Pelin, C. Grigoroiu, and C. Braneț. “Study on Improving the Physical Fitness Level of Young Football Players”. Revista Romaneasca Pentru Educatie Multidimensionala, vol. 14, no. 4, Dec. 2022, pp. 506-23, doi:10.18662/rrem/14.4/654.