| 1 | ||
| Researcher: | Mukherjee, Ravi Kumar | |
| Guide: | Rao, D Bhaskara | |
| University: | Acharya Nagarjuna University, Guntur | |
| Language: | English | |
| Shodhganga | ||
| 2 | ||
| Researcher: | Pitani, Veera. Venkata. Satyanarayana | |
| Guide: | Rao, Digumarti. Bhaskara | |
| University: | Acharya Nagarjuna University, Guntur | |
| Language: | English | |