Table 2.
Articles found base on the database
| Database | Number of found Articles | Relevant Articles | |
|---|---|---|---|
| 1 | Google Scholar | 609000 | 131 |
| 2 | Science Direct | 11732 | 78 |
| 3 | Pub med | 539 | 63 |
| 4 | Scopus | 478 | 59 |
| 5 | ISI | 225 | 23 |
| 6 | DOAJ | 26 | 7 |
| Total Sum | - | 622000 | 361 |
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