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Continue to ChatLearning for tomorrow's world: Theoretical underpinning of the techniques used to create PISA database - https://avesis.erdogan.edu.tr/yayin/c40fd600-a75f-41ce-8b4b-98c53eadfd57/learning-for-tomorrows-world-theoretical-underpinning-of-the-techniques-used-to-create-pisa-database