F. Wanderlind, G. D. F. Martins, J. Hansen, S. M. Macarini, and M. L. Vieira, “ Gender differences in play of pre-scholar and scholar’s children at toy-library ”, Paidéia (Ribeirão Preto), vol. 16, no. 34, pp. 263–273, Aug. 2006, doi: 10.1590/S0103-863X2006000200014.