Dobos, Attila, et al. “Evaluation of the Correlations Between the Normalized Difference Vegetation Index (NDVI) and Yield in a Seasoning Paprika (Capsicum Annuum L. Var. Longum) Stand”. Acta Agraria Debreceniensis, no. 61, Sept. 2014, pp. 45-49, https://doi.org/10.34101/actaagrar/61/2037.