Almaraz Luengo, Elena Salome2023-06-202023-06-2020101841-4311https://hdl.handle.net/20.500.14352/43710engFuzzy mean-variance portfolio selection problemsjournal articlehttp://camo.ici.ro/journal/vol12/v12c9.pdfopen access519.2Fuzzy numberMean-variance modelPortfolio selectionEstadÃstica aplicada