00322nam a2200109Ia 450000500170000000800410001708200150005810000190007324500650009226000470015730000080020420260225051120.0260224s9999||||xx |||||||||||||| ||und||  a381.41 ABB  aJohn C. Abbott 0aAgricultural marketing enterprises for the developing world   aNew York: Cambridge University Pressc1987  a217