| 1 | |
| Researcher: | Mohan, Das |
| Guide: | Lal, S N |
| University: | Banaras Hindu University |
| Language: | English |
| 2 | |
| Researcher: | Maheshwari, Mohan Das |
| University: | Banaras Hindu University |
| Language: | English |
| 3 | |
| Researcher: | Mohan Das, Pabitra |
| University: | Andhra University |
| Language: | English |