| 21 | ||
| Researcher: | Addepalli, Nirmala | |
| Guide: | Lakshmi, G Bhuvaneswara | |
| University: | Acharya Nagarjuna University, Guntur | |
| Language: | English | |
| 22 | ||
| Researcher: | Ran, Rekha | |
| Guide: | Jha, J S | |
| University: | Mahatma Jyotiba Phule Rohilkhand University | |
| Language: | English | |
| 23 | ||
| Researcher: | Das, Amit | |
| Guide: | Hosur, M V | |
| University: | Homi Bhabha National Institute | |
| Language: | English | |
| Shodhganga | ||