| 1 | ||
| Researcher: | Bandyopadhyay, Sudhirchandra | |
| University: | University of Calcutta | |
| Language: | English | |
| Shodhganga | ||
| 2 | Facies and genesis of godavari valley coal, Andhra Pradesh, India | |
| Researcher: | Razvi, Syed Khalid | |
| University: | Osmania University | |
| Language: | English | |
| 3 | ||
| Researcher: | Mohammad Ehsan | |
| University: | Osmania University | |
| Language: | English | |