text s.l] [s.n] 1980 249 p. ; 28 cm AGRONOMY ECONOMY AGRONOMY-ECONOMY AGRONOMI METODE SOSIAL AGRONOMI 63 63 INLIS000000000002938 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)