Ishkov V, Koziy E. Distribution of toxic and potentially toxic elements in the coal of the layer c₇ᴴ of the "Pavlogradskaya" mine of Pavlogradsko-Petropavlovskiy geological and industrial district. Вісник: Геологія. 2017;4(79):59-66. doi:10.17721/1728-2713.79.09