| 1 | ||
| Researcher: | Rani, Doddapaneni Sudha | |
| Guide: | Amarthaiuri, Guravaiah | |
| University: | Acharya Nagarjuna University, Guntur | |
| Language: | English | |
| 2 | ||
| Researcher: | Umarani, Kilaru | |
| Guide: | Bose, B P C | |
| University: | Acharya Nagarjuna University, Guntur | |
| Language: | English | |
| Shodhganga | ||
| 3 | ||
| Researcher: | Umarani, Kilaru | |
| Guide: | Bose, B P C | |
| University: | Acharya Nagarjuna University, Guntur | |
| Language: | English | |
| Shodhganga | ||