| 1 | Physico chemical and analytical studies on polluted water of certain water reservoirs in katihar | |
| Researcher: | Kumar, Birendra | |
| Guide: | Prasad, B N | |
| University: | Bhupendra Narayan Mandal University | |
| Language: | English | |
| 2 | ||
| Researcher: | Kumar, Birendra | |
| Guide: | Thakur, Samiksha | |
| University: | University of Delhi | |
| Shodhganga | ||
| 3 | ||
| Researcher: | Kumar, Birendra | |
| Guide: | Jha, Pawan Kumar | |
| University: | Bhupendra Narayan Mandal University, Madhepura (B N Mandal University) | |
| Language: | Hindi | |