Burján, Zita Kata, and Zoltán Győri. “The Effect of Different Fertilizer Treatments on the Sulphur and Protein Content of Wheat”. Acta Agraria Debreceniensis, no. 48 (July 31, 2012): 73–76. Accessed November 22, 2024. https://ojs.lib.unideb.hu/actaagrar/article/view/2456.