Siregar, Tumpal HS. text Yogyakarta Kanisius 1995 ind id 50 p : ill. ; 21 cm Tumpal HS. Siregar HEVEA BRASILIENSIS -- HARVESTING -- RUBBER -- LATEX -- SAP 633.912.1 633.912.1 TUM t 978-979-497-369-1 231005 20231005094536 INLIS000000000000437 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)