Н. Б. Сененко, І. С. Романович, О. І. Санжаревська, and Н. В. Чала, “Reseach of the content of soil and graund water contaminants in the village of Ivanivka, Karlivka district, Poltava oblast”, Scient.Prog.&Innov., no. 3, pp. 87–90, Sep. 2012.