| Type |  Book |
| ชื่อเรื่อง | Alternative agriculture [electronic resource] / Committee on the Role of Alternative Farming Methods in Modern Production Agriculture, Board on Agriculture, National Research Council |
| ISBN | 0585030731 (electronic bk.) |
| | 9780585030739 (electronic bk.) |
| พิมพลักษณ์ | Washington, D.C. : National Academy Press, 1989 |
| รูปเล่ม | 1 online resource (xiv, 448 p.) : ill |
| หัวเรื่อง | Agricultural systems --United States --Case studies [] |
| | Alternative agriculture --United States [] |