teori dan praktek text Jakarta Graha Ilmu 2003 Cet. 1 ind ix, 216 hlm ilus 23 cm Sonny Sumarsono Manajemen koperasi 979-3289-36-8 20090227021005.0 YOGYA-02090000007166 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)