Sokolova , G.G., Obryvko , A.A. and Kondrateva , I.A. 2023. Stability of development and dynamics of vitamin C content in the leaves of the berry apple tree in the conditions of technogenic pollution of the city of Novoaltaysk. Проблемы ботаники Южной Сибири и Монголии. 22, 2 (Dec. 2023), 336-340. DOI:https://doi.org/10.14258/pbssm.2023151.