text Jakarta Haji Masagung 1989 Cet. 11 ind xii, 148 hlm 21 cm Sondang P. Siagian Bibliografi : hlm. 144-146 Indeks Manajemen eksekutif 658.4 979-412-016-2 20090227024742.0 YOGYA-02090000033170 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)