KYIAK, Svitlana and KYIAK, Pavlo. Investigation of the Rare Fraction of Flora in the Projected Landscape Reserve "Balka Shchurivska". Journal of Education, Health and Sport. Online. 21 August 2023. Vol. 40, no. 1, p. 54297. [Accessed 24 January 2025]. DOI 10.12775/JEHS.2023.40.01.014.