| 1 | ||
| Researcher: | Pandya, D. J. | |
| Guide: | Joshi, H. O. | |
| University: | Saurashtra University, Rajkot | |
| Language: | English | |
| Shodhganga | ||
| 2 | ||
| Researcher: | Trivedi, A. V. | |
| Guide: | Nandani, M. C. | |
| University: | Saurashtra University, Rajkot | |
| Language: | English | |
| Shodhganga | ||
| 3 | ||
| Researcher: | Charan, M. S. | |
| Guide: | Savalia, J. K. | |
| University: | Saurashtra University, Rajkot | |
| Language: | English | |
| Shodhganga | ||