Preparation and Study of Structural, Optical and Electrical Properties of the Composite Films [PVA-PEO-MnCl2.4H2O]. Acad. Sci. J. [Internet]. 2024 Apr. 1 [cited 2025 Apr. 3];2(2):78-90. Available from: https://acadscij.uodiyala.edu.iq/index.php/Home/article/view/246