- SMC, page 2051-2055. IEEE, (2011)
- IEEE Trans. Pattern Anal. Mach. Intell. 31(4):577-590 (2009)
- DIGRA Conf., (2005)
- J. Computing in Higher Education 19(2):25-46 (2008)
- DIGRA Conf., (2005)
- BMC Bioinformatics (2005)
- DIGRA Conf., (2005)
- SIGUCCS, page 196-200. ACM, (2006)
- SSDBM, page 21-24. EUROSTAT, (1986)


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