| 1 | |
| Researcher: | Ramachandran, R |
| Guide: | Nampoothiry, E Easwaran |
| University: | University of Kerala |
| Language: | English |
| 2 | cultural history of lower krsna valley and its contacts with south-east asian countries |
| Researcher: | Ramachandran, A |
| University: | Rabindra Bharati University |
| Language: | English |