Awrng Muhammad Muhyadden, and Serwan Latef Haji. “Role of Lean Marketing of Marketing Superiority :An Analytical Study of Managers’ Opinions in a Number of Mineral Water Factories in Erbil Governorate”. Zanco Journal of Human Sciences, vol. 30, no. SpB, Apr. 2026, pp. 405-32, doi:10.21271/zjhs.30.SpB.20.