Synthesis and Characterization of Nano-Composites of Polypropylene / Cr2O3 Nanoparticles Using Licorice Extract. Iraqi Journal of Science [Internet]. 2024 Feb. 29 [cited 2024 May 9];65(2):623-3. Available from: https://ijs.uobaghdad.edu.iq/index.php/eijs/article/view/9184