Online Database | Total number of articles obtained from Database | Total number of articles selected for review |
Scopus | 8 | 2 |
Springer | 10 | 3 |
Science direct | 15 | 5 |
Web of science | 7 | 3 |
Emerald | 10 | 4 |
IEEE | 6 | 1 |
Eric | 6 | 3 |
Goggle | 16 | 5 |
Total | 78 | 26 |