Mamedova , N. 2021. SYNTHESIS AND PHYSICO-CHEMICAL STUDY OF THE Bi2Te3-HoTe3 SYSTEM. EurasianUnionScientists. 3, 3(84) (Apr. 2021), 43-47. DOI:https://doi.org/10.31618/ESU.2413-9335.2021.3.84.1284.