AWRNG MUHAMMAD MUHYADDEN; 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 , [S. l.], v. 30, n. SpB, p. 405–432, 2026. DOI: 10.21271/zjhs.30.SpB.20. Disponível em: https://zancojournal.su.edu.krd/index.php/JAHS/article/view/4943. Acesso em: 30 apr. 2026.