| 1 | ||
| Researcher: | Sachan, Mahabir Prasad | |
| Guide: | Kathal, P D | |
| University: | Awadhesh Pratap Singh University | |
| Language: | English | |
| Shodhganga | ||
| 2 | ||
| Researcher: | Shukla, Mahabir Prasad | |
| Guide: | Tripahthi, K K | |
| University: | Chhatrpati Shahu Ji Maharaj University | |
| Language: | English | |