| 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 | / |
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| 20 | | QL |
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| 21 | | QL | / | / |
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| 22 | | QL |
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| 23 | | QN |
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| 24 | | QL |
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| 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 |
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| 32 | | QL |
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| 33 | | QL | / |
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| 34 | | QL | / |
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| 35 | | QN | / |
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| 36 | | QL | / |
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| 37 | | QL | / |
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