1.
Ghasham YAM. Impact of Service Quality on Customer Preservation "A Field Research of the opinions of a sample of Yemen Mobile Customers in Dhamar City ". tu.edu.ye.journals [Internet]. 2024 May 22 [cited 2024 Jun. 30];13((1):107-29. Available from: https://journal.tu.edu.ye/index.php/edu/article/view/1927