@article{articleaa38ce7c,
title   = {Mesa redonda: tres perguntas a vygotskianos , wallonianos e piagetianos},
author = {La Taille, Yves Joel Jean Marie Rodolphe de and Dantas, H and Oliveira, M K},
year = {1991},
journal   = {Cadernos de Psicologia}
}