Kristó, I., K. Irmes, P. Jakab, and M. Tar. “Impact of Nutrient Level and Seed Density on the Yield of Some Winter Wheat Varieties”. Review on Agriculture and Rural Development, vol. 8, no. 1-2, May 2020, pp. 85-90, doi:10.14232/rard.2019.1-2.85-90.