Klutsik, Andrea. “Developing Vegetable and Fruit Marketability Potentials in Hajdu-Bihar County in Terms of Hungary’s EU Accession”. Acta Agraria Debreceniensis, no. 1 (May 27, 2001): 60–69. Accessed August 11, 2022. https://ojs.lib.unideb.hu/actaagrar/article/view/3587.