| 1 | |
| Researcher: | Jha, Ranjan |
| Guide: | Gupta, B D |
| University: | Indian Institute of Technology Delhi |
| Language: | English |
| 2 | |
| Researcher: | Jha, Ranjan |
| Guide: | Gupta, B D |
| University: | Indian Institute of Technology Delhi |
| Language: | English |
| 3 | Studies on insect pest compelx of potato in Madhipura District |
| Researcher: | Jha, Ranjan Kumar |
| Guide: | Yadav, S N |
| University: | Bhupendra Narayan Mandal University |
| Language: | English |