| 1 | |
| Researcher: | Gupta, Kasturi |
| University: | Banaras Hindu University |
| Language: | Hindi |
| 2 | |
| Researcher: | Thilakam, P Kasturi |
| University: | Madurai Kamaraj University |
| Language: | English |
| 3 | |
| Researcher: | Hanumantha Rao, Kasturi |
| University: | Andhra University |
| Language: | English |