M. M. Akter, T. Mujib, A. Al Mahmood, and M. B. Islam, “Structural, Morphological, and Optical Investigation of Undoped and Nickel Doped Titanium Dioxide Thin Films”, SCS:Engineering, vol. 3, pp. 20–24, Nov. 2025, doi: 10.38032/scse.2025.3.6.