| 1 | ||
| Researcher: | Sukumar, P | |
| Guide: | Rao, N Subba | |
| University: | Andhra University | |
| Language: | English | |
| 2 | ||
| Researcher: | Sukumar, J | |
| Guide: | Seetharaman, T R | |
| University: | Pondicherry University | |
| Language: | English | |
| Shodhganga | ||
| 3 | ||
| Researcher: | Sukumar, J | |
| Guide: | Seetharaman, T R | |
| University: | Pondicherry University | |
| Language: | English | |
| Shodhganga | ||