M. M. Ibrahim, H. R. Sani, K. M. Yahuza, A. H. Yusuf, and A. B. Bungudu, “Response surface optimization and modeling of caffeine photocatalytic degradation using visible light responsive perovskite structured LaMnO3”, Eur. J. Chem., vol. 12, no. 3, pp. 289–298, Sep. 2021.