| 1 | Ecology of river Varuna at Varanasi with special reference to bacterial pollution |
| Researcher: | Nagendra Prasad |
| Guide: | Tripathi, B D |
| University: | Banaras Hindu University |
| Language: | English |
| 2 | Ecology of river Varuna at Varanasi with special reference to bacterial pollution |
| Researcher: | Nagendra Prasad |
| University: | Banaras Hindu University |
| Language: | English |
| 3 | |
| Researcher: | Nagendra Prasad |
| Guide: | Pathak, Marari |
| University: | Magadh University |
| Language: | English |