TÓTH, József. Use of coordination spheres in food economics. Applied Studies in Agribusiness and Commerce, [S. l.], v. 3, n. 3-4, p. 69–71, 2009. DOI: 10.19041/APSTRACT/2009/3-4/15. Disponível em: https://ojs.lib.unideb.hu/apstract/article/view/7516.. Acesso em: 4 may. 2024.