Z. Alwan, Ghasaq, Wisam Jafer Aziz, and Raad S. Sabry. “Producing Hydrogen Energy Using Cr2O3-TNFs Nanocomposite With Animal (Chitosan) Extract via Ultrasonic and Hydrothermal Techniques”. Iraqi Journal of Physics 20, no. 3 (September 1, 2022): 1–12. Accessed December 24, 2024. https://ijp.uobaghdad.edu.iq/index.php/physics/article/view/1001.