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Retraction Note to: Recommendations for Modifying the Standardized Precipitation Index (SPI) for Drought Monitoring in Arid and Semi‑arid Regions

Crossref DOI link: https://doi.org/10.1007/s11269-022-03379-8

Published Online: 2022-11-15

Published Print: 2022-12

Update policy: https://doi.org/10.1007/springer_crossmark_policy

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