No. | Authors | RD | Education | Performance | Motivation & Attitude |
1 | | QL |
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2 | | QL | / |
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3 | | QL |
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4 | |
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5 | | QN | / |
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6 | | QL | / |
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7 | | QL | / | / | / |
8 | | QL | / | / | / |
9 | | QL | / |
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10 | | QL |
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| / |
11 | | QL | / |
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12 | | MM |
| / |
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13 | | QL | / |
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14 | | QL | / |
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15 | | QL |
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| / |
16 | | QL | / |
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17 | | QN | / |
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18 | | QL | / |
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19 | | QL | / |
| / |
20 | | QL |
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21 | | QL | / | / |
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22 | | QL |
| / | / |
23 | | QN |
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| / |
24 | | QL |
| / | / |
25 | | QL | / |
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26 | | QL | / |
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27 | | QL |
| / |
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28 | | QL | / |
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29 | | QL |
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| / |
30 | | QL | / | / | / |
31 | | QL |
| / | / |
32 | | QL |
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33 | | QL | / |
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34 | | QL | / |
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35 | | QN | / |
| / |
36 | | QL | / |
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37 | | QL | / |
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