Hattie, John.

Visible learning for teachers : = maximizing impact on learning / by: Hattie, John. (Language materials, printed)

Assessing teachers for professional certification = the first decade of the National Board for Professional Teaching Standards / by: National Board for Professional Teaching Standards (U.S.); Stake, Robert E.; Kushner, Saville.; Ingvarson, Lawrence.; Hattie, John. (Electronic resources)