Vygotsky, Lev Semenovich (1896-1934) Mind in society the development of higher psychological processes / [Texte imprimé] : L. S. Vygotsky ; ed. by Michael Cole, Vera John-Steiner, Sylvia Scirbner, Ellen Souberman - London: Harvard University Press, 1978 Bibliogr. p. 141-151 ISBN: 0-674-57629-2 Dewey Class. No.: 155.413