| 1 | |
| Researcher: | Khan, Mukhtar Hussain |
| Guide: | Giri, S |
| University: | Deendayal Upadhyay Gorakhpur University |
| Language: | English |
| 2 | |
| Researcher: | Kumari, Anju |
| Guide: | Yadav, S P |
| University: | Bhupendra Narayan Mandal University, Madhepura (B N Mandal University) |
| Language: | English |