Zuher G, J. Aziz W, S. Sabry R. Producing Hydrogen Energy Using Cr2O3-TiO2 Nanocomposite with Animal (Chitosan) Extract via Photocatalaysis . IHJPAS [Internet]. 2022 Oct. 20 [cited 2024 Jul. 19];35(4):83-9. Available from: https://jih.uobaghdad.edu.iq/index.php/j/article/view/2853