DeSousa, Diogo Araújo, Guilherme Welter Wendt, Carolina Lisboa, and Silvia Helena Koller. 2013. “Psychometric Properties of the Brazilian Version of the Friendship Quality Questionnaire in a Community Sample of Children and Early Adolescents”. Universitas Psychologica 13 (2): 423-31. https://revistas.javeriana.edu.co/index.php/revPsycho/article/view/3747.