| 1 | |
| Researcher: | Sharma, Devendra |
| University: | University of Allahabad |
| Language: | English |
| 2 | |
| Researcher: | Kedar Nath Prasad |
| University: | Patna University |
| Language: | English |
| 3 | |
| Researcher: | Kathavate, Yashvant Vishnu |
| University: | University of Mumbai |
| Language: | English |