PHU, Hung; 						DANG THI VIET, Duc.
 Cost Control in the United States Postal Service - The Institutional Effects and Implications.
<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/4082" target="_new">https://js.vnu.edu.vn/PaM/article/view/4082</a>&gt;. Date accessed: 27 apr. 2024.
doi: <a href="https://doi.org/10.25073/2588-1116/vnupam.4082">https://doi.org/10.25073/2588-1116/vnupam.4082</a>.