1. Barkat, A., Santos, dos, A. D., & Ho, T. T. N. (2014). Open Stack and Cloud Stack: Open Source Solutions for Building Public and Private Clouds. In Proceedings of The 16th International Symposium on Symbolic and Numeric Algorithms for Scientific Computing (SYNASC), (pp. 429–436). Timisoara: IEEE.
2. Barrow, T. (2010). Social Presence Theory. Retrieved from
http://blog.timebarrow.com/2010/03/social-presence-theory/
3. Bell, T., Urhahne, D., Schanze, S., & Ploetzner, R. (2010). Collaborative inquiry learning: models, tools, and challenges. International Journal of Science Education, 32(3), 349–377.
4. Bist, M., Wariya, M., & Agarwal, A. (2013). Comparing delta, open stack and Xen Cloud Platforms: A survey on open source IaaS. In Proceedings of The 3rd International Advance Computing Conference (IACC), (pp. 96-100). Ghaziabad: IEEE.
5. Bochicchio, M., & Longo, A. (2009). Hands-on remote labs: collaborative web laboratories as a case study for IT engineering classes. IEEE Transactions on Learning Technologies, 2(4), 320–330.