| 1 | Hydrogeology of the Upper Nagari River Basin, Chittoor District, Andhra Pradesh, India |
| Researcher: | Sambasiva Rao, T |
| Guide: | Kesava Raju, K |
| University: | Sri Venkateswara University |
| Language: | English |
| 2 | |
| Researcher: | Sambasiva Rao, M S |
| University: | Andhra University |
| Language: | English |