| 1 | Institutional of agricuture(long-term)in Andhra Pradesh with special reference to Rayalaseema |
| Researcher: | Rao, Venkateswara |
| Guide: | Sharma, D P |
| University: | Sri Krishnadevaraya University |
| Language: | English |
| 2 | |
| Researcher: | Rao, Venkateswara |
| University: | Andhra University |
| Language: | English |
| 3 | |
| Researcher: | Rao, Venkateswara A |
| Guide: | Sharma, D P |
| University: | Sri Krishnadevaraya University |
| Language: | English |