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Data Collection During a Pandemic. How Did COVID-19 Impact the Sample Composition in PIRLS 2021?

Crossref DOI link: https://doi.org/10.1007/978-3-031-88002-5_8

Published Online: 2025-06-12

Published Print: 2025

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

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