| 21 | ||
| Researcher: | Das, Rupam | |
| Guide: | Paul, Sajal K | |
| University: | Indian School of Mines, Dhanbad | |
| Language: | English | |
| 22 | ||
| Researcher: | Ramkumar P B | |
| Guide: | Pramod K V | |
| University: | Cochin University of Science and Technology | |
| Language: | English | |
| Shodhganga | ||
| 23 | ||
| Researcher: | Roy, Rajesh Cherian | |
| Guide: | Gopikakumari, R | |
| University: | Cochin University of Science and Technology | |
| Language: | English | |
| Shodhganga | ||