| 1 | ||
| Researcher: | Gorthi, Rama Krishna Hanuman | |
| Guide: | Rao, Shiva T | |
| University: | Andhra University, Waltair | |
| Language: | English | |
| Shodhganga | ||
| 2 | ||
| Researcher: | Malakar, Kakoli | |
| Guide: | Velusamy, Marappan | |
| University: | North-Eastern Hill University, Shillong | |
| Language: | English | |
| Shodhganga | ||