00376nam a2200133 a 450000500170000000800410001704100080005808200100006610000210007624500500009726400520014730000150019965000280021420260717091002.0260717s1978    ii            000 0 eng d  aeng04a338.11 aSargent, Malcolm10aEconomics in horticulture /cSargent, Malcolm 1aLondon :bEnglish Language Book Society,c1978.  aix, 137 p. 4aHorticulture-Economics.