Дилшода ЕРГАШОВА ОФ. ELECTRONIC SPECTRA AND PHYSICOCHEMICAL PROPERTIES OF 7-HYDROXYCOUMARIN DERIVATIVES USING DFT AND TD-DFT METHODS . NUUz [Internet]. 2025 Jun. 30 [cited 2025 Dec. 5];3(3.1.1):462-5. Available from: http://journals.nuu.uz/index.php/actanuuz/article/view/8037