| [1] |
.
[J]. Journal of Northern Agriculture, 2008, (5): 0-0.
|
| [2] |
.
Agricultural Science and Technology Extension System Reform in China: Benign Cycle Model
[J]. Journal of Northern Agriculture, 2007, (6): 87-87.
|
| [3] |
.
[J]. Journal of Northern Agriculture, 2006, (6): 65-65.
|
| [4] |
.
[J]. Journal of Northern Agriculture, 2006, (3): 0-0.
|
| [5] |
.
Discuss on Problem and Countermeasure of Agricultural Product Quality Safety
[J]. Journal of Northern Agriculture, 2004, (6): 1-1.
|
| [6] |
.
[J]. Journal of Northern Agriculture, 2003, (5): 58-58.
|
| [7] |
.
[J]. Journal of Northern Agriculture, 2001, (S2): 221-221.
|
| [8] |
.
[J]. Journal of Northern Agriculture, 1999, (S1): 114-114.
|
