| 1 | ||
| Researcher: | Birendra Bahadur | |
| Guide: | Chandra, S | |
| University: | Deendayal Upadhyay Gorakhpur University | |
| Language: | English | |
| Shodhganga | ||
| 2 | ||
| Researcher: | Singh, Birendra Bahadur | |
| Guide: | Singh, Jagdish | |
| University: | Deendayal Upadhyay Gorakhpur University | |
| Language: | English | |