Machado, S. F., Alves, S. H. de S. and Caetano, P. F. (2020) “Relationship between social skills, stress, age, sex, school type and school grade in adolescents”, Fractal: Journal of Psychology. Rio de Janeiro, Brasil, 32(esp), pp. 210-217. doi: 10.22409/1984-0292/v32_i-esp/39792.