| 61 | |
| Researcher: | Modi, J K |
| Guide: | Aggrawal, S P |
| University: | University of Delhi |
| Language: | English |
| 62 | |
| Researcher: | Prasad, Jagarlamudi Shiva Ram |
| Guide: | Prasad, B D C N |
| University: | Acharya Nagarjuna University, Guntur |
| Language: | English |
| 63 | |
| Researcher: | Patel, Prerak Amrutbhai |
| Guide: | Prajapati, U. M. |
| University: | Gujarat University, Ahmedabad |
| Language: | English |