| 1 | ||
| Researcher: | Rao , Srinivasa Pokuri | |
| Guide: | D Nagaraju | |
| University: | Acharya Nagarjuna University, Guntur | |
| Language: | English | |
| Shodhganga | ||
| 2 | ||
| Researcher: | Rao, Srinivasa Patha | |
| Guide: | Satyanarayana, Chintapalli | |
| University: | Acharya Nagarjuna University, Guntur | |
| Language: | Telugu | |