group farming in the economic development of agriculture text Madison, Wisconsin The University of Wisconsin Press 1977 xiii, 392 p. ills. ; 24 cm. KOPERASI EKONOMI PERTANIAN 334 334 INLIS000000000004209 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)