Buletin Perkebunan Vol. 20 No. 4 Desember 1989 Pusat Penelitian Perkebunan text Medan Pusat Penelitian Perkebunan 1989 ind
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157, 230 hlm : ilus. ; 24,5 cm Pusat Penelitian Perkebunan Perkebunan 633 633 PUS b 0215-0468 251024 20251024020153 INLIS000000000003969 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)