Karaduman, Y., Demir, A., Öztürk, T., & Gül, B. (2023). Investigation of Structural, Optical and Photocatalytic Properties of Holmium–Niobium Co-doped TiO2 Nanopowders. Acta Physica Polonica A ISSN 1898-794X , 143(1), 75. https://doi.org/10.12693/APhysPolA.143.75