| 1 | ||
| Researcher: | Mistry, Radhikaben Mahendrabhai | |
| Guide: | Patel, Rupal | |
| University: | Gujarat University, Ahmedabad | |
| Language: | English | |
| Shodhganga | ||
| 2 | ||
| Researcher: | Gohel, Bhikhubhai Jivanbhai | |
| Guide: | Pandey, Om Prakash | |
| University: | Saurashtra University, Rajkot | |
| Language: | English | |