text Sembawa Balai Penelitian Perkebunan Sembawa 1987 203 p. : ill ; 18 cm PERTANIAN - SUMATRA PERTANIAN SUMATRA 631.1 631.1 INLIS000000000001329 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)