| 1 | Prehistory of Srikakulam Region, An Ethno-Archaeological Study |
| Researcher: | Krishna Rao, S |
| University: | Andhra University |
| Language: | English |
| 2 | Prehistory of Srikakulam Region: An ethnoarchaeological study |
| Researcher: | Krishna Rao, Sadasivuni |
| Guide: | Thimma Reddy, K |
| University: | Andhra University |
| Language: | English |
| 3 | Social development and maladjustment: a case study in the tribal areas of andhra pradesh |
| Researcher: | Krishna Rao, M V |
| University: | University of Calcutta |
| Language: | English |