NÉMETH, Szabolcs. The R&D and innovation activity of agribusiness enterprises in Hajdú-Bihar County. Acta Agraria Debreceniensis, [S. l.], n. 53, p. 67–71, 2013. DOI: 10.34101/actaagrar/53/2130. Disponível em: https://ojs.lib.unideb.hu/actaagrar/article/view/2130.. Acesso em: 6 may. 2024.