| 1 | ||
| Researcher: | Lakshmi, G J V S N D | |
| Guide: | Sundar, Syama B | |
| University: | Acharya Nagarjuna University, Guntur | |
| Language: | English | |
| Shodhganga | ||
| 2 | ||
| Researcher: | Lakshmi, G J V S N D | |
| Guide: | Sundar, Syama B | |
| University: | Acharya Nagarjuna University, Guntur | |
| Language: | English | |
| Shodhganga | ||