Dossey John; Csapó Benő; de Jong Ton; Klieme Eckhard; Vosniadou Stella:
Cross-curricular competencies in PISA: Towards a framework for assessing problem-solving skills.
In: INES (2000) : The INES Compendium. Contributions from INES Networks and Working Groups, 2000.09.11-2000.09.13, Tokyo.
pp. 19-41.