Дилшода ЕРГАШОВА, О.Ф. 2025. ELECTRONIC SPECTRA AND PHYSICOCHEMICAL PROPERTIES OF 7-HYDROXYCOUMARIN DERIVATIVES USING DFT AND TD-DFT METHODS . «ACTA NUUz». 3, 3.1.1 (Jun. 2025), 462–465. DOI:https://doi.org/10.69617/nuuz.v3i3.1.1.8037.