![126712](https://sdvigpress.org/images/creator/_default.jpg)
References
E. Amado Lévy-Valensi
with Piaget, J. , Cargnello, D. , Guilhot, J. , Comfort, A. , Schwartz, E. K. , Leder, R. (1969). Le domaine humain / The human context: der Mensch und seine Welt / Hombre y sociedad / Il mondo vissuto dell"uomo. Dordrecht: Springer.