Ziviani, Cilio, Terezinha Féres-Carneiro, and Andrea Seixas Magalhães. 2012. “Father and Mother As a Couple: Conceptual Aspects and Construct Validation”. Paidéia (Ribeirão Preto) 22 (52): 165-76. https://doi.org/10.1590/S0103-863X2012000200003.