“Preparation and Study of Structural, Optical and Electrical Properties of the Composite Films [PVA-PEO-MnCl2.4H2O]”. Academic Science Journal 2, no. 2 (April 1, 2024): 78–90. Accessed April 3, 2025. https://acadscij.uodiyala.edu.iq/index.php/Home/article/view/246.