TY - JOUR T1 - The development of a constructivist socio cultural model of professional development from 1970s to 2011 JO - Educar em Revista A1 - Stubbs, Harriett S. SN - 0104-4060 UL - 10.1590/S0104-40602011000200008 VL - Y1 - 2011 PB - Brasil ER -