| 1 | ||
| Researcher: | Gurvinder Pal Singh | |
| Guide: | Dr. V.K. Dikshit | |
| University: | Hemwati Nandan Bahuguna Garhwal University | |
| Language: | English | |
| Shodhganga | ||
| 2 | ||
| Researcher: | Dhillon, Gurvinder pal Singh | |
| Guide: | Singh, N BSidhuand, D S | |
| University: | Forest Research Institute | |
| Language: | English | |