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| Soft skills obtained from Systematic Bibliographic Review | Number of articles in which the soft skill appears | Number of times term appears as “hard skill” | Number of times the term appears as “soft skill” | Number of times term suggests “necessity” | Number of times the term suggests “importance” | Number of time the term is “not relevant” or “neutral” | Number of times the term appears as a result of a research | Number of times the term appears as a definition | Total number of times the term appears in the articles |
| Communication | Oral Communication | 47 | 0 | 165 | 147 | 18 | 24 | 0 | 0 | 354 |
| Written Communication | 45 | 0 | 130 | 108 | 21 | 25 | 1 | 0 | 285 | |
| Active Listening | 16 | 0 | 44 | 34 | 10 | 7 | 0 | 0 | 95 | |
| Reading | 19 | 0 | 19 | 15 | 4 | 30 | 0 | 0 | 68 | |
| Foreign Language | 7 | 0 | 16 | 11 | 5 | 33 | 0 | 0 | 65 | |
| Critical Thinking | Problem Solving | 27 | 45 | 99 | 0 | 0 | 5 | 0 | 0 | 149 |
| Open Mind | 23 | 0 | 16 | 11 | 5 | 33 | 0 | 1 | 66 | |
| Critical Thinking per si | 10 | 0 | 23 | 22 | 0 | 6 | 1 | 2 | 54 | |
| Creative Thinking | Creativity | 25 | 0 | 60 | 20 | 35 | 16 | 5 | 1 | 137 |
| Innovation | 20 | 5 | 219 | 209 | 15 | 16 | 3 | 0 | 467 | |
| Emotional Intelligence | Emotions Control | 22 | 0 | 36 | 14 | 12 | 3 | 10 | 0 | 75 |
| Lifelong Learning | 18 | 0 | 55 | 21 | 34 | 3 | 0 | 0 | 113 | |
| Motivation | 17 | 0 | 33 | 14 | 12 | 3 | 10 | 0 | 72 | |
| Self-Direction | 1 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 2 | |
| Ethic Perspective | Ethics | 36 | 0 | 607 | 475 | 131 | 424 | 1 | 0 | 1638 |
| Professionalism | 13 | 0 | 50 | 21 | 28 | 19 | 1 | 0 | 119 | |
| Social Responsibility | 18 | 0 | 56 | 32 | 24 | 11 | 0 | 0 | 123 | |
| Team Work | Multiculturalism | 55 | 0 | 215 | 125 | 59 | 25 | 18 | 0 | 442 |
| Leadership | 34 | 0 | 108 | 69 | 36 | 47 | 3 | 0 | 263 | |
| Networking | 19 | 0 | 33 | 16 | 17 | 13 | 0 | 0 | 79 |