Retraction notices

Validation of portfolio allocation in NPD: fuzzy-TOPSIS and COPRAS-grey approach

Type
Retraction
Notice date
10/11/2022 0:00
Journal
International Journal of System Assurance Engineering and Management
Publisher
Springer
Notice DOI
10.1007/s13198-022-01781-4
Original paper DOI
10.1007/s13198-020-01024-4

Reasons