Zubkova, Tatyana, Svetlana Motyleva, Olga Dubrovina, and Ján Brindza. “The Study of Rapeseeds Ash Composition in the Conditions of the Agroecological Experiment”. Potravinarstvo Slovak Journal of Food Sciences 15 (March 28, 2021): 156–161. Accessed October 3, 2022. https://potravinarstvo.com/journal1/index.php/potravinarstvo/article/view/1356.