| 1 | |
| Researcher: | Singh, Jaspal |
| University: | Guru Nanak Dev University |
| Language: | English |
| 2 | Dynamics of crop combination regions in Punjab 1967 to 1997:a geographical analysis |
| Researcher: | Singh, Jaspal |
| Guide: | Sohal, K S |
| University: | Punjabi University |
| Language: | English |