| 1 | Social forestry project of Himachal Pradesh: An evaluative study. |
| Researcher: | Sushil Kumar |
| Guide: | Negi, S S |
| University: | Forest Research Institute |
| Language: | English |
| 2 | |
| Researcher: | Singh, Sushil Kumar |
| University: | University of Roorkee |
| Language: | English |
| 3 | |
| Researcher: | Agarwal, Sushil Kumar |
| Guide: | Vrat, PremKarunes, S |
| University: | Indian Institute of Technology-delhi |
| Language: | English |