Mukhamedshina, D.M., et al. “Influence of Plasma Treatment on Physical Properties of Thin SnO2 Films Obtained from SnCl4 Solutions With Additions of NH4F and NH4OH”. Eurasian Chemico-Technological Journal, vol. 21, no. 1, Feb. 2019, pp. 57-61, doi:10.18321/ectj791.