$a Ekonomia. $0 http://nukat.edu.pl/aut/s 94114929 $2 kaba
667
$a Ekonomia.
670
$a The economic way of thinking / Paul Heyne, Peter J. Boettke, David L. Prychitko. - Wyd. 12. - Upper Saddle River, cop. 2010. $b (Northern Michigan Univ.)
670
$a LCA online
670
$a Northern Michigan Univ., Dept. of Economics. 02.12.09 $u http://aditweb.nmu.edu/