| 1 | |
| Researcher: | Rai, Lal Chand |
| Guide: | Kumar, H D |
| University: | Banaras Hindu University |
| Language: | English |
| 2 | |
| Researcher: | Rai, Lal Chand |
| University: | Banaras Hindu University |
| Language: | English |
| 3 | |
| Researcher: | Prasad, Lal Chand |
| University: | Banaras Hindu University |
| Language: | English |