| Database | Type | Selected research works | No. of researches |
| IEEE | J | [2] [3] [8] [17] [19] [26] [27] [30] | 8 |
| C | [1] [4] [5] [7] [11] [12] [13] [14] [15] [18] [20] - [25] [31] [33] | 18 | |
| SPRINGER | J | [6] [9] [10] [16] [28] [29] [32] [34] | 8 |
| ACM | J | [55] [56] [57] [58] [59] | 5 |
| C | [35] - [54] | 20 | |
| ELSEVIER | J | [60] - [66] | 7 |
| WILEY | C | [67] [68] [69] [70] [71] | 5 |
| Total | 71 | ||