Ayad F. Alkaim, Aseel M. Aljobree, “Adsorption and Photocatalytic Degradation of Pharmaceutical Amoxicillin using TiO2 Nanoparticles in Aqueous Solutions: Oxidative Coupling as Spectrophotometric Method”, IJAST, vol. 29, no. 05, pp. 5480 - 5487, May 2020.