Borges, Dâmaris Simon Camelo, and Edna Maria Marturano. “Developing Interpersonal Problem Solving in the Elementary School”. Paidéia (Ribeirão Preto), vol. 12, no. 24, Jan. 2002, pp. 185-93, https://doi.org/10.1590/S0103-863X2002000300007.