| 1 | ||
| Researcher: | Shukla, Bhogilal | |
| Guide: | Patel, Purshottambhai A | |
| University: | Gujarat Vidyapith | |
| Shodhganga | ||
| 2 | ||
| Researcher: | Joshi, Natubhai | |
| Guide: | Patel, Purshottambhai A | |
| University: | Gujarat Vidyapith | |
| Shodhganga | ||
| 3 | ||
| Researcher: | Nayak, Ila C | |
| Guide: | Patel, Purshottambhai A | |
| University: | Gujarat Vidyapith | |
| Shodhganga | ||