COE, Nicholas; LETZA, Steve. Two decades of the balanced scorecard : a review of developments. Economics and Business Review, Poland, v. 14, n. 1, p. 63–75, 2014. DOI: 10.18559/ebr.2014.1.826. Disponível em: https://www.journals.ue.poznan.pl/ebr/article/view/826. Acesso em: 6 jul. 2025.