DANG, Duc; DANG THI VIET, Duc. The Concentration and Competition of Vietnam Mobile Telecommunications Market Through HHI and Elasticity of Demand 2. VNU Journal of Science: Policy and Management Studies, [S.l.], v. 33, n. 2, june 2017. ISSN 2588-1116. Available at: <https://js.vnu.edu.vn/PaM/article/view/4087>. Date accessed: 28 mar. 2024. doi: https://doi.org/10.25073/2588-1116/vnupam.4087.