Wtaban Abdullah Sayhud and Sami Dhiab Mahal 2025. 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. 21, 70 part 1 (Jun. 2025), 164–176. DOI:https://doi.org/10.25130/tjaes.21.70.1.9.