Principles of microeconomics RUFFIN, Roy J. text London Scott, Foresman and Company 1986 2nd.ed. id xxix,508p;ills; 25cm Ekonomi -- Ekonomi mikro 330.101.542 637182274 210426 20210426121755 INLIS000000000010743 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)