Várallyay, Szilvia, Diána Szilva, Áron Soós, and Béla Kovács. “Comparative Analysis of Sample Preparation Methods to Determine the Concentration of Arsenic in Soil- and Plant-Samples”. Acta Agraria Debreceniensis, no. 69 (March 23, 2016): 167–170. Accessed May 7, 2021. https://ojs.lib.unideb.hu/actaagrar/article/view/1807.