Producing Hydrogen Energy Using Cr2O3-TNFs Nanocomposite with Animal (Chitosan) Extract via Ultrasonic and Hydrothermal Techniques. Iraqi Journal of Physics, [S. l.], v. 20, n. 3, p. 1–12, 2022. DOI: 10.30723/ijp.v20i3.1001. Disponível em: https://ijp.uobaghdad.edu.iq/index.php/physics/article/view/1001.. Acesso em: 1 may. 2024.