| 1 | ||
| Researcher: | Jaganmohan Rao, K | |
| University: | Andhra University | |
| Language: | English | |
| Shodhganga | ||
| 2 | ||
| Researcher: | Sethu Ramu, K | |
| University: | Andhra University | |
| Language: | English | |
| 3 | ||
| Researcher: | Thomaskutty, K. V. | |
| Guide: | Mohammed, T. Jamal | |
| University: | University of Kerala | |
| Language: | English | |
| Shodhganga | ||