00964cam a22002771  4500001001300000003000400013005001700017008004100034010001700075025002000092040001800112043001200130050002000142082001700162100002400179245003800203260006700241300001700308500009800325504002400423650005500447650003300502650003400535700010000569999001700669sa 68013461 DLC20260227112622.0711115s1967    io       b    000 0 eng    asa 68013461   aPL480:Indo-7050  aDLCcDLCdDLC  aa-io---00aHD2085.S75bP4700a338.1/0992/11 aPenny, David Harry.14aThe index of economic-mindedness.  aBogor,bPanitia Seksi Dokumentasi, Survey Agro Ekonomi,c1967.  a7 p.c32 cm.  a"Kutipan dari The transition from subsistence to commercial family farming in North Sumatra."  aBibliography: p. 7. 0aAgriculturexEconomic aspectszIndonesiazSumatra. 0aFarmerszIndonesiazSumatra. 0aVillageszIndonesiazSumatra.1 aPenny, David Harry.tTransition from subsistence to commercial family farming in North Sumatra.  c85122d85122