Barros, M. de O., H. Costa, F. V. Figueiredo, and A. R. C. Rocha. “Scaling up a Project Portfolio Selection Technique by Using Multiobjective Genetic Optimization”. ISys - Brazilian Journal of Information Systems, vol. 7, no. 4, Nov. 2014, pp. 60-74, doi:10.5753/isys.2014.268.