Mohamad Said, M., Mohd Tahir, L., Ali, M., Md Noor, N., Atan, N. & Abdullah, Z. (2014). Using Activity Theory as Analytical Framework for Evaluating Contextual Online Collaborative Learning. International Journal of Emerging Technologies in Learning (iJET). 9 (5), pp. 54-59. Kassel, Germany: International Journal of Emerging Technology in Learning.