O. B. Sokol'skaya, Y. V. Bondarenko, P. N. Proezdov, D. A. Mashtakov, and V. V. Dubrovin, “Assessing the Green Plantings’ Condition of Coastal and Island Territories of the Left Bank Area of Volga River (In the Context of the City of Engels)”, IJET, vol. 7, no. 4.38, pp. 1231–1233, Dec. 2018, doi: 10.14419/ijet.v7i4.38.27793.