Preprint
ARPHA Preprints
https://doi.org/10.3897/arphapreprints.e102273 (20 Feb 2023)
https://doi.org/10.3897/arphapreprints.e102273 (20 Feb 2023)
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ARPHA Preprints
doi:
10.3897/arphapreprints.e102273
First posted
20 Feb 2023
Author
Hà My Nguyễn 
- Corresponding author
- Corresponding author
National Economics University, Ha Noi, Vietnam
Conflict of interest
The author has declared that no competing interests exist.
This is an open access preprint distributed under the terms of the Creative Commons Attribution License (CC BY 4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.