| 1 | |
| Researcher: | Venkata Ratnam, T |
| University: | Andhra University |
| Language: | English |
| 2 | |
| Researcher: | Ratnam, Chappala |
| University: | Andhra University |
| Language: | English |
| 3 | Some economic aspects of agricultural production decisions: Role of education |
| Researcher: | Nadar, C Ratnam |
| Guide: | Nalla Gounden, A M |
| University: | University of Madras |
| Language: | English |