Table 2: Selected articles
| Sr no | Study | Year of publication | |||
| 1 | Simsek et al. | 2004 | |||
| 2 | Kirzioglu et al. | 2004 | |||
| 3 | Subramaniam P et al. | 2008 | |||
| 4 | Emine Sen Tunc et al. | 2012 | |||
| 5 | Setia et al. | 2014 | |||
| 6 | Garg et al. | 2014 | |||
| 7 | Serkan Gulec et al. | 2014 |
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