| 1 | Industial sickness: A case study of tea estate in the Barak Valley region of Assam |
| Researcher: | Sen, Ashok |
| Guide: | Bhattacharjee, P RNayak, P |
| University: | Assam University |
| Language: | English |
| 2 | Herbicides, insecticides mixture application studies in rice crop to control weeds and insects |
| Researcher: | Sen, Ashok Kumar |
| Guide: | Mukhopadhyay, S K |
| University: | Visva Bharati |
| Language: | English |