Browne, Kathryn Williams & Gordon, An Miles. (2014). Beginnings and Beyond: Foundations in Early Childhood

Education. 9th ed. Belmont, CA: Wadsworth, Cengage Learning, 2014. Print.

Calatta, Richard. (2013). Social Development Theory (Lev Vygotsky). Instructional Design. Retrieved from

CDM Child Development Media Inc. (2012). Play: The Work of Lev Vygotsky. Retrieved from

Gallagher, Christina. (May 1999). lev Semyonovich Vygotsky. Muskingum College; Department of   

Psychology. Retrieved from

justburrus. (March 13, 2009).
Piaget & Vygotsky in 90 Seconds. YouTube. Retrieved from

Lev Vygotsky > Quotes. (2014). goodreads. Retrieved from /426908.Lev_S_Vygotsky

Lev Vygotsky Quote. (2014). iz quotes. Retrieved from

McLeod, Saul. (2007). Lev Vygotsky. Simple Psychology. Retrieved from

McLeod, Saul. (2010). Zone of Proximal Development. Simple Psychology. Retrieved from
Mota, Fl’ava. (September, 28, 2010). Vygotsky, Luriae Leontiev em debate. uesb. Retrieved from

Recker, Dr. Mimi. (May 3, 1996). Overview of Lev Vygotsky’s Theory. Learning and Communication Theories in

Instructional Technology. Retrieved from


Vygotskian Approach. (2014). Tools of the Mind. Retrieved from