kajian sosial-ekonomi text Yogyakarta Aditya Media 1991 Cet. 1 ind xxii,132 hlm ilus 21 cm / Loekman Soetrisno, Retno Winahyu Indeks Bibliografi : hlm. 125-128 Kelapa Sawit - Aspek Ekonomi 338.17461 979-539-003-1 YOPDYOG 20151104144547.0 YOGYA-02090000010593 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)