| 1 | |
| Researcher: | Mathur, S S |
| University: | Banaras Hindu University |
| Language: | English |
| 2 | |
| Researcher: | Pandey, C D |
| University: | Banaras Hindu University |
| Language: | English |
| 3 | |
| Researcher: | Suwal, P N |
| University: | Banaras Hindu University |
| Language: | English |
| 4 | |
| Researcher: | Sreenivasan, Bharatham |
| University: | University of Mumbai |
| Language: | English |