Andrási, Dávid, Anita Puskás-Preszner, Zsuzsa Tarján, Béla Kovács, and Zoltán Győri. 2012. “Optimization of Inductively Coupled Plasma Mass Spectrometer parameter’s to Measuring Arsenic and Selenium”. Acta Agraria Debreceniensis, no. 50 (December): 59-64. https://doi.org/10.34101/actaagrar/50/2567.