| 1 | |
| Researcher: | Yellaiah, J |
| Guide: | Jaganmohana Chari, A |
| University: | Kakatiya University |
| Language: | English |
| 2 | |
| Researcher: | Yellaiah, G |
| Guide: | Swamy, N |
| University: | Osmania University |
| Language: | English |
| 3 | |
| Researcher: | Yellaiah, V |
| University: | POTTI Sreeramulu TELUGU UNIVERsity |
| Language: | English |