Kostenko, Elizaveta, Elena Butenko, Maria Golubeva, and Larisa Arseneva. “Determining the Microelement Composition of Poppy Seeds Using solid­phase Spectrophotometry Method”. Eastern-European Journal of Enterprise Technologies 2, no. 11 (92) (March 30, 2018): 23–28. Accessed April 30, 2024. https://journals.uran.ua/eejet/article/view/127419.