| 1 | ||
| Researcher: | Challari, Suresh Babu | |
| Guide: | Rao, K Somasekhara | |
| University: | Acharya Nagarjuna University | |
| Language: | English | |
| Shodhganga | ||
| 2 | ||
| Researcher: | China, Ramesh Babu Nalliboyina | |
| Guide: | Naga Raju, G | |
| University: | Acharya Nagarjuna University | |
| Language: | English | |