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Stages, thoughts and results about the i2ADS project "[in]visible - [in]visibility of identities in Portuguese 1st grade elementary textbooks of Social & Environmental Studies after 1974" (DOI 10.54499/2022.05056.PTDC), funded by FCT - Fundação para a Ciência e Tecnologia. + info at https://invisible.i2ads.up.pt/en/intru/
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