| 1 | 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 |
| 2 | |
| Researcher: | Thunga, Subbarayudu |
| Guide: | Mohan, V.V. Sesha |
| University: | Acharya Nagarjuna University, Guntur |
| Language: | English |