| 1 | |
| Researcher: | Sinha, Nitish Kumar |
| Guide: | Sinha, Jogendra Kumar |
| University: | Chhatrpati Shahu Ji Maharaj University |
| Language: | English |
| 2 | |
| Researcher: | Srivastava, Ashok Kumar |
| Guide: | Tripathy, L B |
| University: | Deendayal Upadhyay Gorakhpur University |
| Language: | English |