| 1 | ||
| Researcher: | Dave, A M | |
| Guide: | Shah, K J | |
| University: | Bhavnagar University | |
| Language: | English | |
| Shodhganga | ||
| 2 | ||
| Researcher: | Nagar, N Y | |
| Guide: | Joshi, G B | |
| University: | Bhavnagar University | |
| Language: | English | |
| Shodhganga | ||
| 3 | ||
| Researcher: | Bhadani, Gunvantray Vrjalal | |
| Guide: | Joshi, G B | |
| University: | Bhavnagar University | |
| Language: | English | |
| Shodhganga | ||