| 1 | |
| Researcher: | Ramalingam, R |
| Guide: | Balasubramanian, C |
| University: | University of Madras |
| Language: | English |
| 2 | Agricultural development of Tirunelveli District: Some economic aspects |
| Researcher: | Ramalingam, R Sankara |
| University: | Madurai Kamaraj University |
| Language: | English |