Garcia, F., González-Bueno, J., Guijarro, F., Oliver, J. and Tamošiūnienė, R. 2020. Multiobjective approach to portfolio optimization in the light of the credibility theory. Technological and Economic Development of Economy. 26, 6 (Nov. 2020), 1165-1186. DOI:https://doi.org/10.3846/tede.2020.13189.