The 80/20 Principle Richard Koch text Jakarta PT Bhuana Ilmu Populer 1 357 hlm. : Ilu ; 23 cm 150 150 RIC t 979-694-801-x 20180709120901 INLIS000000000491023 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)