DIREKTORAT Jenderal Perkebunan text Jakarta Direktorat Jenderal Perkebunan 1990 ind vi, 32p.: ill.; 22 cm + Lamp. HEVEA BRASILIENSIS FARMING SYSTEMS 633.91 633.91 ISBN: 200129 20200129171030.0 INLIS000000000001754 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)