| 1 | ||
| Researcher: | Suri, V Vivekananda | |
| Guide: | Prasad, V. M. | |
| University: | Jawaharlal Nehru Technological University, Hyderabad | |
| Language: | English | |
| Shodhganga | ||
| 2 | ||
| Researcher: | Sandepogu, Rajasekhar | |
| Guide: | V., Venkateswarlu | |
| University: | Acharya Nagarjuna University, Guntur | |
| Language: | English | |