| 1 | |
| Researcher: | Vadgama, Alpa, Natvarlal |
| Guide: | Parmar, R, G |
| University: | Saurashtra University, Rajkot |
| Language: | English |
| 2 | |
| Researcher: | Nagar, Krishn Kant |
| Guide: | Pathak, R D |
| University: | Maharshi Dayanand University |
| Language: | English |
| 3 | |
| Researcher: | Datta, Sumati |
| University: | University of Calcutta |
| Language: | English |