| 1 | ||
| Researcher: | Yakantham, T. | |
| Guide: | Raju, Ramesh R. | |
| University: | Acharya Nagarjuna University, Guntur | |
| Language: | English | |
| Shodhganga | ||
| 2 | ||
| Researcher: | Islavathu, Hatti | |
| Guide: | Ramesh Raju R | |
| University: | Acharya Nagarjuna University, Guntur | |
| Language: | English | |
| Shodhganga | ||