| 1 | ||
| Researcher: | Rao, J V S L Chennakesava | |
| Guide: | Sugayya, N | |
| University: | Sri Venkateswara University | |
| Language: | English | |
| Shodhganga | ||
| 2 | Agricultural development in nellore district a case of sullurupet | |
| Researcher: | Sreenivasulu, P | |
| Guide: | Sugayya, N | |
| University: | Sri Venkateswara University | |
| Language: | English | |
| Shodhganga | ||
| 3 | Oilseeds economy of india a case study of chittoor district in Andhra Pradesh | |
| Researcher: | Prasad, Siva S | |
| Guide: | Sugayya, N | |
| University: | Sri Venkateswara University | |
| Language: | English | |
| Shodhganga | ||