| 41 | ||
| Researcher: | ALAGATURU ASWARTHA NARAYANA | |
| Guide: | VENKATA RATHNAMMA | |
| University: | Acharya Nagarjuna University, Guntur | |
| Language: | English | |
| Shodhganga | ||
| 42 | ||
| Researcher: | Jhansilakshmi Kondaveeti | |
| Guide: | Reddi, E U B | |
| University: | Andhra University | |
| Language: | English | |
| Shodhganga | ||
| 43 | ||
| Researcher: | Bhanu Prakash, K | |
| Guide: | P V Krishna | |
| University: | Acharya Nagarjuna University, Guntur | |
| Language: | English | |
| Shodhganga | ||