[32] Parra R., Ramajo L.A., Goes M.S., Varela G.A., Castro M.S.,
From Tin Oxalate to (Fe, Co, Nb)-Doped SnO2: Sintering Behavior, Microstructural and Electrical Features,
Mater. Res. Bulletin, 43: 3202-3211 (2008).
[34]
Subash B.,
Krishnakumar B.,
Sobral A.J.F.N.,
Surya C.,
Senthilraja A.,
Swaminathan M., ,
Shanthi M.,
Synthesis, Characterization and Daylight Active Photocatalyst with Antiphotocorrosive Property for Detoxification of Azo Dyes, Separat. Purificat. Technol, 164: 170-181 (2016).