NAGY, J.; HARSÁNYI, G.; JÁNOSY, O.; HARSÁNYI, E.; NAGY, O. The effects of education, culture, research and development in Hajdú-Bihar county. Acta Agraria Debreceniensis, [S. l.], n. 61, p. 87-90, 2014. DOI: 10.34101/actaagrar/61/2048. Disponível em: https://ojs.lib.unideb.hu/actaagrar/article/view/2048. Acesso em: 21 sep. 2020.