., Mohdhasmizamrazali, et al. “Hydrogen Production Through Water Splitting Reaction Using Titanium Dioxide (Tio2) Nanotubes Photocatalyst”. International Journal of Engineering & Technology, vol. 7, no. 2.23, Apr. 2018, pp. 455-8, https://doi.org/10.14419/ijet.v7i2.23.15332.