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First Author:
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| Claudiu T Albulescu |
| Politehnica University of Timisoara |
| claudiual@yahoo.com |
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| Timisoara, 300006, Romania |
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| 0040 743 089 759(Phone) |
| 0040 743 089 759(Fax) |
| www.upt.ro |
Third Author:
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| Phouphet Kyophilavong |
| National University of Laos |
| phouphetkyophilavong@gmail.com |
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