Gáspár, Soma Gáspár, et al. “Comparison of the Physiological Responses of an Oil-Pumpkin Cultivar and Hybrid under Different Nitrogen Supply Conditions”. Acta Agraria Debreceniensis, no. 2, Dec. 2019, pp. 65-69, https://doi.org/10.34101/actaagrar/2/3680.