Dmitriyeva, E.A., et al. “The Influence of Acidity of the Film-Forming Solution on the Structure and Properties of Thin SnO2 Films”. Recent Contributions to Physics, vol. 2020, no. 1, Mar. 2020, pp. 81-88, https://doi.org/10.26577/RCPh.2020.v72.i1.10.