| 1 | ||
| Researcher: | Purushothaman, C | |
| University: | University of Kerala | |
| Language: | English | |
| 2 | ||
| Researcher: | Purushothaman C | |
| Guide: | Warier, K Balakrishna | |
| University: | Cochin University of Science and Technology | |
| Language: | English | |
| Shodhganga | ||
| 3 | Studies on Phosphate Solubilising and Phosphatase Producing Bacteria in Veli Lake  | |
| Researcher: | Purushothaman C S | |
| Guide: | Dhevendaran K | |
| University: | University of Kerala | |
| Language: | English | |
| Shodhganga | ||
| 4 | ||
| Researcher: | Purushothaman C | |
| Guide: | Venkateswarlu K | |
| University: | University of Kerala | |
| Language: | English | |
| Shodhganga | ||