| 1 | ||
| Researcher: | Sorathi, Pujabhai Bhavanbhai | |
| Guide: | Shah, K J | |
| University: | Bhavnagar University | |
| Language: | English | |
| Shodhganga | ||
| 2 | ||
| Researcher: | Trada, V B | |
| Guide: | Shah, K J | |
| University: | Bhavnagar University | |
| Language: | English | |
| Shodhganga | ||
| 3 | ||
| Researcher: | Shah, K M | |
| Guide: | Thaker, K A | |
| University: | Bhavnagar University | |
| Language: | English | |
| Shodhganga | ||