| 1 | |
| Researcher: | Pattarkine Rama, Manda Madhao |
| Guide: | Shastri, P S |
| University: | Rashtrasant Tukadoji Maharaj Nagpur University |
| Language: | English |
| 2 | |
| Researcher: | Rama Murty, Modekurti Sunara |
| Guide: | Rao, N Krishna |
| University: | Andhra University |
| Language: | English |