Awrng Muhammad Muhyadden, & Serwan Latef Haji. (2026). 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, 30(SpB), 405–432. https://doi.org/10.21271/zjhs.30.SpB.20