“Degradation of Air Pollutants from Waste Burning Using Photocatalyst TiO2 With Co(NO3)2 Doped under Ultraviolet Irradiation”. Greensusmater, vol. 1, no. 1, Aug. 2024, pp. 25-31, https://doi.org/10.62755/greensusmater.2024.1.1.25-31.