1. Andreev RD, Troyanova NV (2006) E-learning design: an integrated agent-grid service architecture. In: IEEE international symposium on modern computing
2. Regueras LM, Verdú E, Muñoz MF, Pérez MA, De Castro JP, Verdú MJ (2009) Effects of competitive e-learning tools on higher education students: a case study. IEEE Trans Educ 52(2)
3. Al Masum SM, Ishizuka M (2005) Softwareagent architecture for interactive e-learning. In: Proceedings of 1st international conference on web information systems and technologies
4. Thyagharajan KK, Nayak R (2007) Adaptive content creation for personalized e-learning using web services. J Appl Sci Res 3(9)
5. Cavanagh TB (2012) The postmodality era: How “online learning” is becoming “learning”. In: Oblinger D (ed) Game changers: education and information technology. Boulder, CO: EDUCAUSE