| 1 | geography of agriculture of Cuddapah District, Andhra Pradesh |
| Researcher: | Penchalaiah, T |
| Guide: | Ramanaiah, Y V |
| University: | Sri Krishnadevaraya University |
| Language: | English |
| 2 | |
| Researcher: | Penchalaiah, Sreekanthi |
| Guide: | Sambasiva Prasad, B |
| University: | Sri Venkateswara University |
| Language: | English |