Shahin, Naglaa, and Reham Kamal Abd El Hamid. 2019. “Spectroscopy and Conductivity Studies of Polyvinyl Alcohol (PVA)/Polypyrrol (Ppy) Nanocomposite With Various Chloride Metals to Improved Properties of the Polymers”. JOURNAL OF ADVANCES IN PHYSICS 16 (1):55-63. https://doi.org/10.24297/jap.v16i1.8192.