| 1 | |
| Researcher: | Srivastava, Virendra Nath |
| Guide: | Singh, Kehar |
| University: | Deendayal Upadhyay Gorakhpur University |
| Language: | English |
| 2 | |
| Researcher: | Shahi, Vinod Kumar |
| Guide: | Singh, KeharSingh, A K |
| University: | Deendayal Upadhyay Gorakhpur University |
| Language: | English |