| 1 | ||
| Researcher: | Krishnan, E | |
| Guide: | Namboodiripad, K S S | |
| University: | University of Kerala | |
| Language: | English | |
| 2 | ||
| Researcher: | Krishnan E | |
| Guide: | Nambooripad K S S | |
| University: | University of Kerala | |
| Language: | English | |
| Shodhganga | ||
| 3 | ||
| Researcher: | Krishnan, E V | |
| Guide: | Prasad, Phoolan | |
| University: | Indian Institute of Science | |
| Language: | English | |