| 1 | ||
| Researcher: | Kothiya, Amin | |
| Guide: | Thakkar, D.K. | |
| University: | Saurashtra University, Rajkot | |
| Language: | English | |
| Shodhganga | ||
| 2 | ||
| Researcher: | Kakrecha, Bhaveskumar | |
| Guide: | Thakkar, D.K. | |
| University: | Saurashtra University, Rajkot | |
| Language: | English | |
| Shodhganga | ||
| 3 | ||
| Researcher: | Dave, Varada Rajubhai | |
| Guide: | Thakkar, D.K. | |
| University: | Saurashtra University, Rajkot | |
| Language: | Arabic | |