| 1 | |
| Researcher: | Sarma, K V L N S |
| University: | Andhra University |
| Language: | English |
| 2 | geophysical study for structure and geology of Koyagudem sub-basin, Godavary valley coal fields, A P |
| Researcher: | Ramulu, B Met |
| University: | Osmania University |
| Language: | English |