| 1 | ||
| Researcher: | Dasari Ramesh | |
| Guide: | N V Krishna Rao | |
| University: | Acharya Nagarjuna University, Guntur | |
| Language: | English | |
| Shodhganga | ||
| 2 | ||
| Researcher: | Ponnaluri Srinivasa Phani | |
| Guide: | N V Krishna Rao | |
| University: | Acharya Nagarjuna University, Guntur | |
| Language: | English | |
| Shodhganga | ||