Liu, X. [ca. 2009]. Linking competence to opportunities to learn : models of competence and data mining. In Innovations in science education and technology [Book]. [Dordrecht]: Springer.

LIU, Xiufeng, 2009. Linking competence to opportunities to learn : models of competence and data mining. [Dordrecht]: Springer. Innovations in science education and technology, 17. ISBN 9781402099106.

Liu, X. „Linking competence to opportunities to learn : models of competence and data mining“. Innovations in science education and technology, book, Springer, 2009.

Liu, Xiufeng: Linking competence to opportunities to learn : models of competence and data mining, . Innovations in science education and technology, [Dordrecht] 2009.

Liu, X. (2009), Linking competence to opportunities to learn : models of competence and data mining, Innovations in science education and technology, Bd. , Springer, [Dordrecht].