| 1 | |
| Researcher: | Sarkar, Malancha | 
| University: | Banaras Hindu University | 
| Language: | English | 
| 2 | |
| Researcher: | Manjula Sree Patnaik, R | 
| University: | Andhra University | 
| Language: | English | 
| 3 | |
| Researcher: | Ganga Reddy, R | 
| Guide: | Dayakar, P | 
| University: | Kakatiya University | 
| Language: | English |