P. F. Pinto and A. R. Matias, "Trovoada de Ideias 2016-2020 Linguistic and social inclusion in higher education: the case of international students fluent in stigmatized language norms", in Int. Conf. Languages, Nations, Cultures: Pluricentric Languages in Context(s) (LNC 2019): “Beyond dominance and non-dominance”,, Estocolmo, 2019