Rafid M. A. Rustam, Sabah A. Salman and Rana S. Mahmood 2022. Preparation and Study of Some Properties, True Density, Apparent Porosity and Water Absorption of Polymeric Blend Films [PVA:PVP] Reinforced by CaCl2.2H2O Salt. Eurasian Journal of Physics,Chemistry and Mathematics. 7, (Jun. 2022), 51–56.