TY - BOOK AU - Lyons,Nona TI - With portfolio in hand: validating the new teacher profesionalism SN - 080773716X (rustica) AV - LB1029.P67 W58 PY - 1998/// CY - New York PB - Columbia University Press, Teachers College KW - Portafolios en la educaciĆ³n KW - Estados Unidos KW - Maestros KW - ValoraciĆ³n ER -