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British Journal of Educational Psychology > 89 > 4 > 804 - 817
British Journal of Educational Psychology > 85 > 3 > 276 - 288
Cognitive Therapy and Research > 2000 > 24 > 4 > 379-397
British Journal of Educational Psychology > 89 > 4 > 804 - 817
British Journal of Educational Psychology > 85 > 3 > 276 - 288
Cognitive Therapy and Research > 2000 > 24 > 4 > 379-397