“Dynamics of Agrochemical State of North-West Forest-Steppe Soils and Its Adjustment Features (Case Study of Volodymyr-Volynsky District of Volyn Region)”. Visnyk of V. N. Karazin Kharkiv National University. Series Еcоlogy, no. 16, Sept. 2017, pp. 61-66, https://doi.org/10.26565/1992-4259-2017-16-08.