| 1 | ||
| Researcher: | Pathak, Daya Shanker | |
| Guide: | Singh, O P | |
| University: | V. B. S. Purvanchal University | |
| Language: | English | |
| Shodhganga | ||
| 2 | ||
| Researcher: | Tripathi, Daya Shanker | |
| Guide: | Mishra, Atma Ram | |
| University: | V. B. S. Purvanchal University | |
| Language: | English | |
| Shodhganga | ||