Garousi, Farzaneh, Szilvia Veres, and Béla Kovács. 2015. “Non-Destructive and Destructive measurements’ Chlorophyll Content in Sunflower and Maize Plants Uptaken Different Chemical Forms of Selenium”. COLUMELLA – Journal of Agricultural and Environmental Sciences 2 (2): 9-15. https://doi.org/10.18380/SZIE.COLUM.2015.2.2.9.