| 1 | ||
| Researcher: | Patel, Kantibhai Chhaganbhai | |
| Guide: | Gupta, J L | |
| University: | Sardar Patel University | |
| Language: | English | |
| Shodhganga | ||
| 2 | ||
| Researcher: | Ajwalia, Mahendrakumar Bhagwandas | |
| Guide: | Gupta, J L | |
| University: | Sardar Patel University | |
| Language: | English | |
| Shodhganga | ||