Sottani, N. B. B., S. R. H. Mariano, J. Moraes, and B. F. Dias. “Public Policies for the Training of Public School Principals in Brazil: An Analysis of the National Program of Basic Education Managers (PNEGEB)”. Education Policy Analysis Archives, vol. 26, Nov. 2018, p. 153, doi:10.14507/epaa.26.3787.