| 1 | |
| Researcher: | Venkata, Sudha Devi Yadavalli |
| Guide: | Reddy, G. Chenna |
| University: | Acharya Nagarjuna University, Guntur |
| Language: | English |
| 2 | |
| Researcher: | Beniwal, Gunia |
| Guide: | Singh, Sharanpal |
| University: | Maharshi Markandeshwar University |
| Language: | English |