text Yogyakarta Sekolah Pascasarjana UGM 2010 Cet.1 ind Ind XIIV , 238 hlm ilus 24 cm (2 eks) Zaenal Sujais Bibliografi: hlm. 221-230 Akyuwen ; Roberto ; Siregar ; Ferry Muhammadsyah Pupuk Organik 631.86 978-602-8683-47-0 YOPDYOG 20130129105559.0 YOGYA-01130000001796 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)