PURWANTO , 1989- text S.l] Forest Publishing 2016 Cet. 1 ind 104 hlm. : ilus. ; 21 cm. / Purwanto Bibliografi : hlm. 103 Perkebunan kelapa sawit 634.974 634.974 Pur T 978-602-6348-55-5 YOPDYOG 20170904083430.0 INLIS000000000030213 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)