| 1 | |
| Researcher: | Gupta, S L |
| University: | Dr Bhimrao Ambedkar University |
| Language: | English |
| 2 | |
| Researcher: | Shukla, B M |
| University: | Banaras Hindu University |
| Language: | English |
| 3 | |
| Researcher: | Mathur, Rajendraprasad Mataprasad |
| University: | University of Mumbai |
| Language: | English |