| Type |  Book |
| ชื่อเรื่อง | Understanding agriculture : new directions for education / Committee on Agricultural Education in Secondary Schools, Board on Agriculture, National Research Council |
| ISBN | 0-309-03936-3 |
| พิมพลักษณ์ | Washington, D.C. : National Academy Press, c1988 |
| รูปเล่ม | 68 p. : ill. ; 24 cm |
| หัวเรื่อง | Agricultural education --United States [] |
| | Curriculum planning --United States [] |
| | Education and state --United States [] |
| | Vocational education --United States [] |