TY - BOOK AU - Richards,Jack C. TI - Professional Development for Language Teachers SN - 9780521613835 U1 - 421.54 PY - 2009/// CY - Estados Unidos de América PB - CAMBRIDGE UNIVERSITY PRESS, KW - Inglés KW - Teachers N1 - 1.- The nature of teacher education / 2.- Peer observation / 3.- Case analysis ER -