1. Adams, A., & Blandford, A. (2002). Digital libraries in academia: Challenges and changes. In Proceedings of the fifth international conference on Asian digital libraries (ICADL 2002) (pp. 392–403).
2. Callan, J., Smeaton, A., Beaulieu, M., Borlund, P., Brusilovsky, P., & Chalmers, M., et al. (2003). Personalization and recommender systems in digital libraries. In Proceedings of the second DELOS workshop on personalization and recommender systems in digital libraries.
3. Candela, L., & Straccia, U. (2003). The personalized, collaborative digital library environment CYCLADES and its collections management. Distributed multimedia information retrieval—SIGIR 2003 workshop on distributed information retrieval. Lecture Note in Computer Science (Vol. 2924, pp. 156–172).
4. Chen, S. Y. (2002). The relationships between individual differences and the quality of learning outcomes in web-based instruction. In Proceedings of the ICEB second international conference on electronic business (pp. 345–351).
5. Chin, J. P., Diehl, V. A., & Normal, K. L. (1988). Development of an instrument measuring user satisfaction of the human–computer interface. In ACM CHI’88 Proceedings (pp. 213–218).