| 21 | ||
| Researcher: | Ramachandra, B | |
| Guide: | Narayana, B | |
| University: | Mangalore University | |
| Language: | English | |
| Shodhganga | ||
| 22 | ||
| Researcher: | Mathew, Biju | |
| Guide: | Narayana, B | |
| University: | Mangalore University | |
| Language: | English | |
| Shodhganga | ||
| 23 | ||
| Researcher: | Nayak, Prakash S | |
| Guide: | Narayana, B | |
| University: | Mangalore University | |
| Language: | English | |
| Shodhganga | ||