A new multi-period optimization model for resilient-sustainable project portfolio evaluation under interval-valued Pythagorean fuzzy sets with a case study
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2020 ◽
Vol 12
(6)
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pp. 1313-1337
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2015 ◽
Vol 40
(11)
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pp. 3351-3361
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2017 ◽
Vol 32
(12)
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pp. 1247-1260
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Keyword(s):