Balkees M. Aldabbagh, Hanaa J. Al shimary, and Adnan R. Ahmmed. “The Effect of UV – Radiation on Thermal and Mechanical Properties of (PP/LDPE) Blends”. Tikrit Journal of Pure Science, vol. 21, no. 1, Feb. 2023, pp. 71-75, doi:10.25130/tjps.v21i1.952.