@article{article9208ff26,
title   = {Thresholds are everywhere: a systems approach to public policy},
author = {Carvalho, Hamilton Coimbra and Isabella, Giuliana and Mazzon, José Afonso},
year = {2019},
doi = {10.1590/1807-7692bar2019180106},
journal   = {BAR - Brazilian Administration Review}
}