Nugraha, E. R., and A. B. D. Nandiyanto. “Analysis of Titanium Dioxide Nanoparticle Synthesis Research for Photocatalysis Using Vosviewer”. Open Soil Science and Environment, vol. 1, no. 1, Sept. 2022, pp. 8-14, doi:10.70110/osse.v1i1.2.