Buysse, V., & Wesley, P.W. (2006). Evidence-based practice in the early childhood field. Washington, DC: Zero to Three .
2.
Itard, J.M.G. (1972). The wild boy of Aveyron. In L. Malson (Ed.), Wolf children and the problem of human nature (pp. 91-179). New York: Monthly Review. (Original work published 1806)
3.
Snyder, P. (2006). Best available research evidence: Impact on research in early childhood. In V. Buysse & P. W. Wesley (Eds.) Evidence-based practice in the early childhood field (pp. 35-70). Washington, DC : Zero to Three.
4.
Wittgenstein, L. (1953). Philosophical investigations. New York: MacMillan.
