Dochy, F. and McDowell, L. (1997) Assessment as a Tool for Learning. Studies in Educational Evaluation, 23, 279- 298. http://dx.doi.org/10.1016/S0191-491X(97)86211-6
 Brown, S. (1999) Institutional Strategies for Assessment. In: Brown, S. and Glasner, A., Ed., Assessment Matters in Higher Education, The Society for Research into Higher Education and Open University Press, Buckingham, 1-13.
 Poon, W.Y., McNaught, C., Lam, P. and Kwan, H.S. (2009) Improving Assessment Methods in University Secience Education with Negotiated Self- and Peer-Assessment. Assessment in Education: Principles, Policy & Practice, 16, 331-346. http://dx.doi.org/10.1080/09695940903319729
 Akinsola, M., Tella, A. and Tella A. (2007) Correlates of Academic Procrastination and Mathematics Achievement of University Undergraduate Students. Eurasia Journal of Mathematics, Science & Technology Education, 3, 363-370.
 Lim, L.L., Thiel, D.V. and Searles, D.J. (2012) Fine Tuning the Teaching Methods for Second Year University Mathematics Based on Student Perceptions/Attitudes. International Journal of Mathematical Education in Science and Technology, 43, 1-9. http://dx.doi.org/10.1080/0020739X.2011.582171
 Saito, H. (2008) EFL Classroom Peer Assessment: Training Effects on Rating and Commenting. Language Testing, 25, 553-581. http://dx.doi.org/10.1177/0265532208094276
 Springer, L., Stanne, M. and Samuel, D. (1999) Effects of Small-Group Learning on Undergraduates in Science, Mathematics, Engineering, and Technology: A Meta-Analysis. Review of Educational Research, 69, 21-51. http://dx.doi.org/10.3102/00346543069001021