| 1 | |
| Researcher: | Om Prakash |
| University: | Indian Institute of Technology-Delhi |
| Language: | English |
| 2 | |
| Researcher: | Prem Prakash |
| University: | University of Allahabad |
| Language: | English |
| 3 | |
| Researcher: | Rajput, Om Prakash |
| Guide: | Nigam, Amarnath |
| University: | Chhatrpati Shahu Ji Maharaj University |
| Language: | English |