| 1 | ||
| Researcher: | Rama Ayyar, S | |
| Guide: | Hariharan, S | |
| University: | University of Kerala | |
| Language: | English | |
| Shodhganga | ||
| 2 | ||
| Researcher: | Singh, Surendra Nath | |
| University: | University of Roorkee | |
| Language: | English | |
| 3 | ||
| Researcher: | Inamdar, H P | |
| Guide: | Nema, R S | |
| University: | Indian Institute of Science | |
| Language: | English | |