Inggarwati, E. D. ., S. K. W. . Ningsih, N. W. . . Yuningrat, and J. . Gunlazuardi. “Synthesis and Characterization of Bi2S3 Deposited on TiO2 Nanotubes (TiO2NTAs) As Photoanode in the Tandem DSSC-PEC System for Hydrogen Evolution ”. Journal of Mathematical and Fundamental Sciences, vol. 56, no. 1, Oct. 2024, pp. 30-47, doi:10.5614/j.math.fund.sci.2024.56.1.3.