| 1 | ||
| Researcher: | Ayyappan, P | |
| Guide: | Krishnamurthy, M S | |
| University: | University of Madras | |
| Language: | English | |
| 2 | Chemistry of vanadyl (IV,V) phosphates: Synthesis, structure and magnetic properties | |
| Researcher: | Ayyappan, P | |
| Guide: | Ramanan, A | |
| University: | Indian Institute of Technology-delhi | |
| Language: | English | |
| 3 | ||
| Researcher: | Ayyappan, P | |
| Guide: | Krishnan, P S | |
| University: | University of Calicut | |
| Language: | English | |
| 4 | ||
| Researcher: | Ayyappan P | |
| Guide: | Krishnamoorthy M S | |
| University: | University of Madras | |
| Language: | English | |
| Shodhganga | ||