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Halttunen, K.; Sormunen, E.: Learning information retrieval through an educational game : is gaming sufficient for learning? (2000)
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Halttunen, K.; Järvelin, K.: Assessing learning outcomes in two information retrieval learning environments (2005)
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Halttunen, K.: Internet-tiedonhaun strategiat : kuinka kaytat osaamistasi verkossa? (1996)
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