Changes in Teachers’ Discourse About Students in a Professional Development on Learning Trajectories.Published in:American Educational Research Journal, 2017, v. 54, n. 3, p. 568, doi. 10.3102/0002831217693801By:Wilson, P. Holt;Sztajn, Paola;Edgington, Cyndi;Webb, Jared;Myers, MarriellePublication type:Article