Nagy, P. T., Z. Szabó, J. Nyéki, I. Gonda, and I. J. Holb. “Organic Versus Integrated Apple Growing: II. Differences in Fruit Quality Parameters”. International Journal of Horticultural Science 15, no. 4 (September 2, 2009): 61–63. Accessed April 27, 2024. https://ojs.lib.unideb.hu/IJHS/article/view/842.