| 1 | |
| Researcher: | Raghavulu, Nimmalapudi Veera |
| Guide: | Rao, Kodali Somasundar |
| University: | Acharya Nagarjuna University, Guntur |
| Language: | English |
| 2 | |
| Researcher: | Kolipaka, Aruna |
| Guide: | Rao, Kodali Somasundar |
| University: | Acharya Nagarjuna University, Guntur |
| Language: | English |