Understanding agriculture : new directions for education - National Research Council (Estados Unidos) Board of Agriculture Committee on Agricultural Education in Secondary Schools (Washington, D.C. : National Academy Press, 1988)
Keywords: AGRICULTURA -- ENSEÑANZA SECUNDARIA -- ESTADOS UNIDOS; EDUCACION AGRICOLA -- ESTADOS UNIDOS -- PLANES DE ESTUDIO; EDUCACION VOCACIONAL -- ESTADOS UNIDOS; PLANIFICACION CURRICULAR -- ESTADOS UNIDOS