In order to reach the reseach goal, this study needs to achieve three objectives as follows: (1) Systematizing literature related to the topic of customer complaints; (2) Identify and measure the influence of atecedents of compaint intention of customers who using telecom service in Mekong Delta region; (3) Proposing management implications to motivate consumers to complain directly to telecom service providers in the Mekong Delta region. | Summary of Doctoral thesis Business administration Factors influence on the complaint intention of the customer using telecom service in Mekong delta