| 21 | ||
| Researcher: | Zala, Raksha V. | |
| Guide: | Dr. S.B.Mehta | |
| University: | Maharaja Krishnakumarsinhji Bhavnagar University | |
| Language: | English | |
| Shodhganga | ||
| 22 | ||
| Researcher: | Dave, Raksha H. | |
| Guide: | Takhtsinh Parmar | |
| University: | Maharaja Krishnakumarsinhji Bhavnagar University | |
| Shodhganga | ||
| 23 | ||
| Researcher: | Raksha, K. R. | |
| Guide: | Ananda, S. | |
| University: | University of Mysore | |
| Language: | English | |
| Shodhganga | ||
| 24 | ||
| Researcher: | Mehta, Raksha N. | |
| Guide: | Vaidya, S. K. | |
| University: | Saurashtra University, Rajkot | |
| Language: | English | |
| Shodhganga | ||