G. M. Praça, C. L. A. Costa, F. Falconi, A. G. P. de Andrade, M. H. Chagas, and P. J. Greco, “Tactical behavior in soccer small-sided games: influence of tactical knowledge and numerical superiority ”, JPhysEduc, vol. 27, no. 1, p. e-2736, Jun. 2016.