J Da Costa P, Soares C. letter to the editor [2]. australian and new zealand journal of statistics. 2007;49:205-207.Edit

Costa JP, J Da Costa P, Alonso H., Cardoso JS. Corrigendum to "The unimodal model for the classification of ordinal data" [Neural Netw. 21, (2008) 78-79] DOI: 10.1016/j.neunet.2007.10.003. 2014.Edit

Costa JP, J Da Costa P. Rankings and Preferences 2015.Edit