| 1 | ||
| Researcher: | Das, Sunil Kumar | |
| University: | Rabindra Bharati University | |
| Language: | English | |
| 2 | ||
| Researcher: | Das, Sunil Kumar | |
| Guide: | n.d. | |
| University: | University of Calcutta | |
| Language: | English | |
| Shodhganga | ||
| 3 | Studies on the aphids homoptera aphididae of Himachal Pradesh | |
| Researcher: | Das, Sunil Kumar | |
| Guide: | Raychaudhuri, D N | |
| University: | University of Calcutta | |
| Language: | English | |
| Shodhganga | ||