| 1 | ||
| Researcher: | Nirmala Kumari, S | |
| Guide: | Arumugam, S | |
| University: | Mahatma Gandhi University, Kottayam | |
| Language: | English | |
| 2 | ||
| Researcher: | Kumari, Nirmala | |
| Guide: | Chattopadyay, ASahu, S, A | |
| University: | Indian School of Mines, Dhanbad | |
| Language: | English | |
| 3 | ||
| Researcher: | Nirmala K | |
| Guide: | Rathnamma, Venkata V | |
| University: | Acharya Nagarjuna University, Guntur | |
| Language: | English | |
| Shodhganga | ||