Moraes, J., Mariano, S.R.H. and Dias, B.F.B. 2021. The effectiveness of training in management for public school principals. Regae: Revista de Gestão e Avaliação Educacional. 10, 19 (Jan. 2021), e53334, p. 1–21. DOI:https://doi.org/10.5902/2318133853334.