| 1 | ||
| Researcher: | Sumathi, K | |
| Guide: | Sreenivasan, M | |
| University: | Anna University | |
| Language: | English | |
| Shodhganga | ||
| 2 | ||
| Researcher: | Kumar, P Sumathi | |
| Guide: | Sarma, I Ramabhadra | |
| University: | Koneru Lakshmaiah Education Foundation (K L University) | |
| Language: | English | |
| Shodhganga | ||