| 1 | ||
| Researcher: | Bandi, Srinivas | |
| Guide: | Siva Rama Prasad, R | |
| University: | Acharya Nagarjuna University, Guntur | |
| Language: | English | |
| Shodhganga | ||
| 2 | ||
| Researcher: | Shrma, A D N | |
| Guide: | Siva Rama Prasad, R | |
| University: | Acharya Nagarjuna University | |
| Language: | English | |
| Shodhganga | ||