VADVÁRI, Tibor; VÁRLAKI, Péter. Identification of Supply Chains Based on Input-Output Data. Periodica Polytechnica Transportation Engineering, [S. l.], v. 43, n. 3, p. 162–167, 2015. 10.3311/PPtr.7931. Disponível em: https://pp.bme.hu/tr/article/view/7931. Acesso em: 25 apr. 2024.