Pusat Penelitian Kepala Sawit text Medan Indonesia Oil Palm Research Institute 2012 34 hlm : ilus.; 24 cm Pusat Penelitian Kepala Sawit Pertanian Perkebunan Kelapa Sawit Bercerita Sawit 634.6 634.6 PUS b 20211013024415 INLIS000000000000865 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)