| 1 | ||
| Researcher: | Godhasara, Kailash | |
| Guide: | Mishra, Premanand | |
| University: | Gujarat Vidyapith, Ahmedabad | |
| Language: | English | |
| Shodhganga | ||
| 2 | ||
| Researcher: | Patel, Kanaiyalal | |
| Guide: | Patel, Haribhai | |
| University: | Gujarat Vidyapith, Ahmedabad | |
| Language: | English | |
| Shodhganga | ||