| 1 | ||
| Researcher: | Parmar, Pravin S | |
| Guide: | Patel, D P | |
| University: | Gujarat University | |
| Language: | English | |
| Shodhganga | ||
| 2 | ||
| Researcher: | Parmar, Pravin H | |
| Guide: | Mehta, Jignasu P | |
| University: | Maharaja Krishnakumarsinhji Bhavnagar University | |
| Language: | English | |
| Shodhganga | ||