Kayode Adesina Adegoke, et al. , translators. “Photocatalytic Conversion of CO2 Using ZnO Semiconductor by Hydrothermal Method”. Pakistan Journal of Analytical & Environmental Chemistry, vol. 19, no. 1, June 2018, pp. 1 – 27, https://doi.org/10.21743/pjaec/2018.06.01.