an international overview of use patterns, technical and institutional determinants, polices and perpectives Wossink, Grada Antonia Arendina creator ed. Kooten, Gerrit Cornelius van ed. Peters, George Henry. Symposium of the International Association of Agricultural Economits Held at Wageningen, (24-8 Abpril 1996 Netherlands), 1996. text enk London, Eng Ashgate 1998 1998 monographic eng 386 p. /ed. by G.A.A. Wossink, G.C. van Kooten and G.H. Peters Fertilizantes Fungicidas Pesticidas Productos químicos Aspectos económicos Productos químicos Congresos 630.063 W6 1 84014 084 4 83387 010129 20220329142431.0