| 1 | |
| Researcher: | David, E |
| University: | Andhra University |
| Language: | English |
| 2 | |
| Researcher: | David, E |
| University: | Madurai Kamaraj University |
| Language: | English |
| 3 | |
| Researcher: | David, E A |
| Guide: | Ravindran, Renuka |
| University: | Indian Institute of Science |
| Language: | English |