| 1 | |
| Researcher: | Subbarayudu, T |
| University: | Andhra University |
| Language: | English |
| 2 | socio-economic study of non-captive limestone mine workers in Guntur District of Andhra Pradesh |
| Researcher: | Subbarayudu, Veluguri |
| Guide: | Balamohan Das, V |
| University: | Andhra University |
| Language: | English |