| 1 | ||
| Researcher: | Verma, Yogendra Singh | |
| Guide: | Nigam, S S | |
| University: | Dr Harisingh Gour Vishwavidyalaya | |
| Language: | English | |
| Shodhganga | ||
| 2 | ||
| Researcher: | Verma, Yogendra Singh | |
| Guide: | Nigam | |
| University: | Dr. Harisingh Gour Vishwavidyalaya | |
| Language: | English | |
| Shodhganga | ||