LEPPÄLÄ, S. Essays in the economics of knowledge. Erasmus Journal for Philosophy and Economics, [S. l.], v. 5, n. 1, p. 131-134, 2012. DOI: 10.23941/ejpe.v5i1.102. Disponível em: https://ejpe.org/journal/article/view/102. Acesso em: 30 sep. 2020.