Montecinos, C., L. Ahumada, S. Galdames, F. Campos, and M. V. Leiva. “Targets, Threats and (dis)trust: The Managerial Troika for Public School Principals in Chile”. Education Policy Analysis Archives, vol. 23, Sept. 2015, p. 87, doi:10.14507/epaa.v23.2083.