| 1 | ||
| Researcher: | Bhavsar, Prafulchandra D | |
| University: | Gujarat University | |
| Language: | English | |
| Shodhganga | ||
| 2 | ||
| Researcher: | Desai, Upendra D | |
| University: | Gujarat University | |
| Language: | English | |
| Shodhganga | ||
| 3 | ||
| Researcher: | Murthy, D S R | |
| University: | Osmania University | |
| Language: | English | |