Alaa Farhan Talib; Abdel Fattah Jassim Zaalan; Faisal Alwan Al-Taie. The Role of Viral Marketing in Enhancing Customer Confidence: An Analytical Study of the Opinions of a Sample of Managers of Mobile Phone Companies in Iraq Zain, Asiacell, Korek, Our Contact. IJAS 2024, 12, 64-40.