| 1 | |
| Researcher: | Srivastava, Ramayan Ji |
| Guide: | Singh, U P |
| University: | Deendayal Upadhyay Gorakhpur University |
| Language: | English |
| 2 | |
| Researcher: | Srivastava, Ravindra Kumar |
| Guide: | Prasad, C M |
| University: | Deendayal Upadhyay Gorakhpur University |
| Language: | English |