KÁLLAY, E.; KÁLLAY, T. Hungarian apple growing and marketing on the doorstep of the European Union. International Journal of Horticultural Science, [S. l.], v. 11, n. 1, p. 15–18., 2005. DOI: 10.31421/IJHS/11/1/553. Disponível em: https://ojs.lib.unideb.hu/IJHS/article/view/553.. Acesso em: 2 may. 2024.