TY  - BOOK
AU  - Grover, D K
AU  - Kumar, Sanjay
AU  - Singh Karam
AU  - Vatta, Kamal
ED  - Agro-Economic Research Center, Ludhiana India
TI  - Changes in structural distribution of land holdings and its impact on productivity of major crops in Punjab(two documents) / Karam Singh, D K, Grover, Kamal Vatta and Sanjay Kumar
CY  - Ludhiana
KW  - Agriculture
KW  - Crops - Punjab
ER  -