Shaymaa Hussein Othman and Serwan Latif Haji 2026. The Role of Sustainable Marketing Strategies in Achieving Competitive Advantage: An Analytical Study of the Opinions of a Sample of Managers in Soft Drink Companies in Erbil. Tikrit Journal of Administrative and Economic Sciences. 22, 73 part 1 (Mar. 2026), 230–258. DOI:https://doi.org/10.25130/tjaes.22.73.1.12.