| KEYWORDS | DATABASES | |
| SCOPUS | WOS | |
| “Professional Ethics” AND “Engineering” | 15 | 25 |
| “Professional Ethics” AND “Soft Skills” | 1 | 0 |
| “Soft Skills” AND “Engineering” | 99 | 62 |
| “Professional Ethics” AND “Engineering” AND “Soft Skills” | 0 | 0 |