| 1 | ||
| Researcher: | Sadasiva Reddy, A K V | |
| Guide: | Ramachandra Murthy, S S | |
| University: | Sri Venkateswara University | |
| Language: | English | |
| Shodhganga | ||
| 2 | ||
| Researcher: | Devarajulu Naidu, G | |
| Guide: | Prahlada Naidu, W | |
| University: | Sri Venkateswara University | |
| Language: | English | |