Eesa M. Thalij, Sarhan A. Salman و Hasan. M. Hasan (2019) "Ultra violet spectrophotometric analysis of Paracetamol, Diclofenac and Tramadol drugs in mixture", Tikrit Journal of Pure Science, 24(3), ص 52–58. doi: 10.25130/tjps.v24i3.368.