| 1 | ||
| Researcher: | Preetha, C | |
| Guide: | Ambika Devi, J | |
| University: | University of Calicut, Kozhikode | |
| Language: | Arabic | |
| 2 | ||
| Researcher: | Preetha, C | |
| Guide: | Parthasarathy, K | |
| University: | Bharathiar University | |
| Language: | English | |
| Shodhganga | ||
| 3 | Solid phase extraction preconcentration of traces of inorganics | |
| Researcher: | Preetha C R | |
| Guide: | Prasada Rao T | |
| University: | University of Kerala | |
| Language: | English | |
| Shodhganga | ||