Valerko , R. A. “Nitrate Content in Groundwater and Assessment of Potential Risks for Health of the Rural Population in Novograd-Volyn Raion Zhytomyr District”. Visnyk of V. N. Karazin Kharkiv National University Series «Еcоlogy», no. 25, Nov. 2021, pp. 92-100, doi:10.26565/1992-4259-2021-25-08.