Wtaban Abdullah Sayhud, and Sami Dhiab Mahal. “Analysis of the Effectiveness of Marketing Mix Components and Their Impact on Enhancing Sales Volume: A Survey Study in the General Company for the Manufacture of Medicines and Medical Supplies in Samarra”. Tikrit Journal of Administrative and Economic Sciences, vol. 21, no. 70 part 1, June 2025, pp. 164-76, doi:10.25130/tjaes.21.70.1.9.