| 1 | ||
| Researcher: | Martin, T Prem Kumar | |
| University: | University of Kerala | |
| Language: | English | |
| Shodhganga | ||
| 2 | ||
| Researcher: | Nigam, Prem Kumar | |
| Guide: | Saini, A D | |
| University: | Indian Agricultural Research Institute | |
| Language: | English | |
| 3 | ||
| Researcher: | Srivastava, Prem Kumar | |
| Guide: | Varshney, R L | |
| University: | University of Lucknow | |
| Language: | English | |