[1]
Abdullah, M.M. 2022. The Role of Content Marketing in Achieving Customer Happiness An Analytical Study of the Opinions of a Sample of (Apple - Iphone) Users in Three Faculties of Tikrit University. Tikrit Journal of Administrative and Economic Sciences. 18, 59, 2 (Sep. 2022), 157–175. DOI:https://doi.org/10.25130/tjaes.18.59.2.10.