1. Anderson, T. (2008). The theory and practice of online learning (2nd ed.). AU Press.
2. Anderson, T. (2011). The theory and practice of online learning. AU Press.
3. Atkinson, R. C., & Schiffrin, R. M. (1971). The control of short-term memory. Scientific American, 225, 82–90.
4. Atkinson, R. C., & Shiffrin, R. M. (1968a). Human memory: A proposed system and its control processes. In K. W. Spence & J. T. Spence (Eds.), The psychology of learning and motivation (Volume 2) (pp. 89–195). Academic Press.
5. Atkinson, R. C., & Shiffrin, R. M. (1968b). Human memory: A proposed system and its control processes. In K. W. Spence & J. T. Spence (Eds.), The psychology of learning and motivation: Advances in research and theory (Vol 2) (pp. 89–195). Academic Press.