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