00801cam a22002651  4500001001300000003000400013005001700017008004100034010001700075025002000092035002000112040001700132042001200149050001500161100002400176245011400200260002000314300001800334500004900352500001100401650002100412650004500433700004000478999001700518sa 68019457 DLC20260227112717.0940419s1962    io            100 0 eng    asa 68019457   aPL480:Indo-8011  a(OCoLC)30264165  aDLCcCUdDLC  apremarc00aS561b.P381 aPenny, David Harry.14aThe role of efficiency research in the improvement of estate managementcby D.H. Penny and S.B. Simandjuntak.  a[Medan?c1962?]  a16 p.c33 cm.  aAt head of title: Planters Conference, 1962.  aCover. 0aFarm management. 0aAgriculturexEconomic aspectsxResearch.1 aSimandjuntak, S. B.,ejoint author.  c88893d88893