Media type: E-Article Title: Lecture Notes in Computer Science: Usages of Fuzzy Returns on Markowitz’s Portfolio Selection Contributor: Rattanadamrongaksorn, Tanarat; Sirisrisakulchai, Jirakom; Sriboonjitta, Songsak imprint: Springer International Publishing, 2016 Published in: Lecture Notes in Computer Science Language: Not determined DOI: 10.1007/978-3-319-49046-5_11 ISSN: 0302-9743; 1611-3349 Origination: Footnote: