| 1 | |
| Researcher: | Rama Rao, J |
| University: | Andhra University |
| Language: | English |
| 2 | |
| Researcher: | Rama Rao, J |
| Guide: | Bhushana, E NChandraianM |
| University: | Andhra University |
| Language: | English |
| 3 | |
| Researcher: | Rama Rao, J |
| University: | Andhra University |
| Language: | English |