References :

Omrod, Michael, Jr. (1995). Educational Psychology: Principles and Applications. Englewood Cliffs, NJ: Prentice-Hall.

Roblyer, E., Havriluk, M.D., Edwards, J. & Havriluk, M. A. (1997). Integrating Educational Technology into Teaching. Upper Saddle, NJ: Merill.

Sorenson, M. (1995). Teaching with Children’s Books. Urbana: National Council of Teachers of English.

Vygotsky, Lev. (1978). Mind in Society. Cambridge, MA: Harvard University Press.