| 1 | ||
| Researcher: | B. RADHAKRISHNAN | |
| Guide: | Dr. K. Balachandran | |
| University: | Bharathiar University | |
| Language: | English | |
| Shodhganga | ||
| 2 | ||
| Researcher: | Nair, B Radhakrishnan | |
| Guide: | Vijayakumar A | |
| University: | Cochin University of Science and Technology | |
| Language: | English | |
| Shodhganga | ||