Sumardi text Yogyakarta Gadjah Mada University Press 2004 ind 228 hlm. ; 21 cm. Kehutanan Pemeliharaan 634.9 634.9 SUM d 220715 20220715110604 INLIS000000000000694 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)