| 1 | ||
| Researcher: | Ramchandran, R | |
| University: | University of Madras | |
| Language: | English | |
| 2 | ||
| Researcher: | Khan, Nisar Ahmed | |
| University: | Aligarh Muslim University | |
| Language: | English | |
| Shodhganga | ||
| 3 | ||
| Researcher: | Mainra, Ved Prakash | |
| University: | University of Lucknow | |
| Language: | English | |