RETRACTION: Evaluation of Input-Output Efficiency of Sports Industry Based on SWOT-PEST Model

Journal of Mathematics

Journal of Mathematics, 2025, vol. 2025, 1-1

Date: 2025
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Persistent link: https://EconPapers.repec.org/RePEc:hin:jjmath:9869627

DOI: 10.1155/jom/9869627

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