van der Linden, W. J., Ariel, A., & Veldkamp, B. P.. (2006). Assembling a computerized adaptive testing item pool as a set of linear tests. Journal of Educational and Behavioral Statistics, 31, 81-99.

van der Linden, W. J., & Veldkamp, B. P.. (2004). Constraining item exposure in computerized adaptive testing with shadow tests. Journal of Educational and Behavioral Statistics, 29, 273-291.

van der Linden, W. J., & Veldkamp, B. P.. (2004). Constraining item exposure in computerized adaptive testing with shadow tests. Journal of Educational and Behavioral Statistics, 29, 273-291.

Ariel, A., Veldkamp, B. P., & van der Linden, W. J.. (2004). Constructing rotating item pools for constrained adaptive testing. Journal of Educational Measurement, 41, 345-359.

Huitzing, H. A., Veldkamp, B. P., & Verschoor, A. J.. (2005). Infeasibility in automated test assembly models: A comparison study of different methods. Journal of Educational Measurement, 42, 223-243.

van der Linden, W. J., Veldkamp, B. P., & Reese, L. M.. (2000). An integer programming approach to item bank design. Applied Psychological Measurement, 24, 139-150.

van der Linden, W. J., Veldkamp, B. P., & Reese, L. M.. (2000). An integer programming approach to item bank design. Applied Psychological Measurement, 24, 139-150.

Veldkamp, B. P., van der Linden, W. J., & Ariel, A.. (2002). Mathematical-programming approaches to test item pool design (No. RR 02-09) (pp. 93-108). Twente, The Netherlands: University of Twente, Faculty of Educational Science and Technology.