| 1 | |
| Researcher: | Amrutaiah, K |
| University: | Andhra University |
| Language: | English |
| 2 | |
| Researcher: | Veeraiah, V |
| University: | Andhra University |
| Language: | English |
| 3 | |
| Researcher: | Sebak, Sebi Lal |
| Guide: | Pandey, A K |
| University: | Bhupendra Narayan Mandal University, Madhepura (B N Mandal University) |
| Language: | English |